MLPAO REVIEW QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION 2023/2024

MLPAO REVIEW QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION 2023/2024 "Something that is sterile is: a. free of all pathogens b. free from all living microorganisms c. free from all living microorganisms and spores d. free of all nonpathogens - CORRECT ANSWER c. free from all living microorganisms and spores" "Susceptibility testing: a. measures how fast a micro-organism can be destroyed b. identifies the types of micro-organisms in the specimen c. determines growth requirements of organisms d. produces a pure culture e. identifies the appropriate antibiotic needed to kill the micro-organism - CORRECT ANSWER e. identifies the appropriate antibiotic needed to kill the micro-organism" "The anticoagulant in a green top vacutainer is: a. sodium citrate b. EDTA c. heparin d. sodium fluoride e. potassium oxalate - CORRECT ANSWER c. heparin" "The destruction of all micro-organisms including spores is called: a. sanitation b. antisepsis c. sterilization d. disinfection e. asepesis - CORRECT ANSWER c. sterilization" "The durable material used to make heat resistant glassware is: a. Polyethylene b. Soda lime c. Polystyrene d. Borosilicate - CORRECT ANSWER d. Borosilicate" "The instrument used to measure urine hydrogen ion concentration is a: a. pH meter b. coulter counter c. microscope d. spectrophotometer e. refractometer - CORRECT ANSWER a. pH meter" "The largest vein in the body is the: a. iliac vein b. pulmonary vein c. aorta d. hepatic portal vein e. vena cava - CORRECT ANSWER e. vena cava" "The pipette with a bulged out portion in the middle is a (an): a. Mohr pipette b. Pasteur pipette c. serological pipette d. Volumetric pipette e. Micro-pipette - CORRECT ANSWER d. Volumetric pipette" "The purpose of heat fixing a bacterial smear is to: a. prevent cells from being washed off during staining b. causes the cells to absorb the stain more easily c. provide a warm temperature for the bacteria to grow d. make the cells visible under the microscope e. destroy the bacterial cell wall - CORRECT ANSWER a. prevent cells from being washed off during staining" "The tablet used for glucose testing in urine is: a. clinitest b. ictotest c. acetest d. TCA e. SSA - CORRECT ANSWER a. clinitest" "The term "statute" is interchangeable with the word________. a. act b. legislation c. bill d. chapter e. title - CORRECT ANSWER a. act" "The test measuring the oxygen-carrying capacity of RBC's is the: a. CBC b. Hct c. ESR d. Hgb e. MCV - CORRECT ANSWER d. Hgb" "The universally accepted disinfectant for the medical workplace is: a. 2% glutaraldehyde b. 1% hypochlorite c. 10% formalin d. 70% isopropyl alcohol e. 5% iodine - CORRECT ANSWER b. 1% hypochlorite" "The wrapper used to autoclave articles should: a. prevent contaminants from getting in during handling and storage b. to be made of a substance that will not tear c. made by a substance not affected by the sterilization process d. allows steam to penetrate it e. all of the above - CORRECT ANSWER e. all of the above" "Wandering baseline can be caused by: a. Loose electrodes b. Body creams, oils, lotions c. An apprehensive patient d. A and b are correct - CORRECT ANSWER d. A and b are correct" " ug " is a unit to describe: a. time b. volume c. distance d. weight e. length - CORRECT ANSWER d. weight" "14.37 mg equals: a. 1437 ug b. 1.437 dg c. 143.7 ug d. 0.01437 g - CORRECT ANSWER d. 0.01437 g" "A 1/6 dilution of serum in water was made. The glucose result was 4.0 mmol/L. What is the reported result: a. 0.66 mmol/L b. 4.0 mmol/L c. 24.0 mmol/L d. 40.0 mmol/L e. 60.0 mmol/L - CORRECT ANSWER c. 24.0 mmol/L" "A 2 hr. p.c. glucose: a. is collected 2 hrs after eating a meal high in carbohydrates b. is a valuable screening test for diabetes mellitus c. measures glucose when it is at its highest level after a meal d. is not affected by medication e. a & b - CORRECT ANSWER e. a & b" "A backup test(s) to confirm a positive protein in urine would be: a. ictotest b. SSA test c. Clinitest d. TCA test e. b & d - CORRECT ANSWER e. b & d" "A blood film that is too thick will result when: a. a dirty spreader is used b. a jerky motion is used c. an angle of 15 degrees is used d. too big a drop of blood is used - CORRECT ANSWER d. too big a drop of blood is used" "A blood specimen collected in a heparinized tube is centrifuged. It will separate into: a. serum and clot b. plasma and clot c. serum and plasma d. plasma, buffy coat, RBC - CORRECT ANSWER d. plasma, buffy coat, RBC" "A buffer is made from mixing a: a. strong acid and strong base b. weak acid or base with salt c. salt with organic acid d. weak acid with a weak base e. none of the above - CORRECT ANSWER d. weak acid with a weak base" "A condition in which red blood cells and hemoglobin are decreased: a. AIDS b. leukemia c. polycythemia d. anemia e. fibrinolysis - CORRECT ANSWER d. anemia" "A creatinine clearance test is done: a. on 24-hour urine only b. on serum only c. on serum drawn three days before collecting a 24-hour urine d. to determine kidney function e. none of the above - CORRECT ANSWER d. to determine kidney function" "A disinfectant used on metal surface is: a. 10% formalin b. 2% glutaraldehyde c. 1% hypochlorite d. 70% isopropyl alcohol e. 15% iodine - CORRECT ANSWER b. 2% glutaraldehyde" "A glucose tolerance test (GTT) done on a non-pregnant adult uses: a. 50 g glucose in 300 ml solution b. 75 g glucose in 300 ml solution c. 100 g glucose in 300 ml solution d. 50 g glucose in 200 ml solution e. 100 g glucose in 200 ml solution - CORRECT ANSWER b. 75 g glucose in 300 ml solution" "A microbiology transport medium will contain activated charcoal: a. to prevent bacteria death b. to help staining process c. to absorb toxic substances d. to keep a neutral ph e. to maintain oxygen levels - CORRECT ANSWER c. to absorb toxic substances" "A patient has hepatitis, which test(s) will be increased: a. ALT b. AST c. alkaline phosphates d. bilirubin e. all of the above - CORRECT ANSWER e. all of the above" "A patient with a heart condition may be sent to ___ for testing and observation: a. FBS b. OPD c. ICU d. CCU e. C & D - CORRECT ANSWER e. C & D" "A patient with a highly contagious lung infection would be hospitalized in: a. reverse isolation b. wound and skin precautions isolation c. respiratory isolation d. enteric isolation e. standard ward - CORRECT ANSWER c. respiratory isolation" "A patient with rheumatic arthritis has an ESR result that is: a. decreased b. normal c. slightly increased d. increased e. not affected - CORRECT ANSWER d. increased" "A patient's health card number consists of ___ digits: a. 4 b. 6 c. 8 d. 10 e. 12 - CORRECT ANSWER d. 10" "A person who has a blood clot stuck in one area has: a. a thrombus b. an embolism c. a hematoma d. phlebitis e. ischemia - CORRECT ANSWER a. a thrombus" "A pH of 2 is _____ than a pH of 5: a. 1000 times more acidic b. 100 times more acidic c. 2 times less acidic d. 20 times less acidic e. 1000 times more acidic - CORRECT ANSWER e. 1000 times more acidic" "A PKU test detects: a. a sex-linked anemia b. a genetic defect in metabolism c. a viral disease d. severe kidney disease e. Alzheimer's in the elderly - CORRECT ANSWER b. a genetic defect in metabolism" "A plasma protein involved in coagulation is: a. immunoglobulin b. gamma globulin c. albumin d. erythropoietin e. fibrinogen - CORRECT ANSWER e. fibrinogen" "A profile is: a. A general screening test b. A quantitative laboratory test c. A number of related laboratory tests d. Dorsal view of the patient - CORRECT ANSWER c. A number of related laboratory tests" "A solution that would cause a cell to swell is called: a. isotonic b. salty c. physiolgical d. hypotonic - CORRECT ANSWER d. hypotonic" "A specimen is: a. material spread on a slide b. an amount of blood or urine c. a small sample taken to represent the whole organism or system d. a colony of micro-organisms growing on solid medium e. a technique used to microscopically examine urine - CORRECT ANSWER c. a small sample taken to represent the whole organism or system" "A specimen is: a. The removal of blood from the antecubital veins b. A small representative of body sample c. The surgical removal and examination of tissue d. The clinical analysis of a urine sample - CORRECT ANSWER b. A small representative of body sample" "A standard electrocardiogram consists of: a. 10 leads b. 12 leads c. 15 leads d. Both b and c are correct - CORRECT ANSWER b. 12 leads" "A stool for O & P is collected into a: a. sterile jar b. jar container SAF fluid c. jar container 10% formalin d. metal can e. clean dry jar - CORRECT ANSWER b. jar container SAF fluid" "A suction device used to draw up liquids is a (an) a. Volumetric flask b. Beaker c. Erlenmeyer cylinder d. Graduated cylinder e. Safety bulb - CORRECT ANSWER e. Safety bulb" "A supplier label is not required on a controlled product if_______ a. the product originates from a laboratory supply house b. is packaged in a container less than 50kg c. is intended by employer solely for use in a laboratory d. a, b, c are correct e. a & c are correct - CORRECT ANSWER e. a & c are correct" "A tissue is decalcified; a. before fixing b. after embedding c. after fixing d. at the time it is sectioned e. just before staining - CORRECT ANSWER c. after fixing" "According to regulation 682, a medical lab technician is defined as: a. a person who under general supervision, performs tests which require independent judgement b. a person responsible for administration of technical and scientific lab operations c. a person who under direct supervision performs tests which require limited skills and responsibility d. a person who may perform specialized scientific tests e. a person who may perform routine and microscopic urine - CORRECT ANSWER c. a person who under direct supervision performs tests which require limited skills and responsibility" "Acid phosphatase is an enzyme which increases in: a. gout b. kidney disease c. liver disease d. prostatic cancer e. heart disease - CORRECT ANSWER d. prostatic cancer" "Alcohol is commonly used to disinfect: a. clinical thermometers b. stethoscopes c. percussion hammers d. surgical instruments e. all of the above f. a b, and c - CORRECT ANSWER f. a b, and c" "An autoclave operates on the method of: a. free flowing steam b. chemicals c. steam under pressure d. sound waves - CORRECT ANSWER c. steam under pressure" "An automated hematology cell count uses the principle of: a. diffusion b. color absorption changes c. high-frequency sound waves d. changes in cell electrical currents e. light wave scattering - CORRECT ANSWER d. changes in cell electrical currents" "An immature neutrophil is called: a. blast cell b. LE cell c. band cell d. reticulocyte e. packed cell - CORRECT ANSWER c. band cell" "An object should be boiled for at least: a. 5 mins b. 15 mins c. 30 mins d. 1 hour - CORRECT ANSWER c. 30 mins" "Approximately how many centimeters are in one foot? a. 3 b. 12 c. 24 d. 30 e. 100 - CORRECT ANSWER d. 30" "Before performing an R & M on a specimen, the urine would be; a. filtered b. brought to room temperature c. centrifuged d. well-mixed e. b & d - CORRECT ANSWER e. b & d" "Blood for an RBC count must be prepared from: a. EDTA blood b. citrated blood c. heparinized blood d. oxalated blood e. clotted blood - CORRECT ANSWER a. EDTA blood" "Blood passing through the left atrium would next enter the: a. aorta b. right atrium c. left ventricle d. left lung e. right ventricle - CORRECT ANSWER c. left ventricle" "Blood pressure measures: a. The contraction and relaxation of the ventricles b. The contraction and relaxation of the atria c. The force exerted on the arterial walls with every heartbeat d. None of the above - CORRECT ANSWER c. The force exerted on the arterial walls with every heartbeat" "Blood samples for cell counts must be thoroughly mixed immediately before testing to: a. prevent the clumping of platelets b. prevent the formation of small clots c. oxygenate the sample d. ensure even distribution of all blood components e. mix anticoagulant with the blood - CORRECT ANSWER d. ensure even distribution of all blood components" "Blood smears must be made from the tube containing the anticoagulant: a. heparin b. potassium oxalate c. EDTA d. sodium citrate e. sodium fluoride - CORRECT ANSWER c. EDTA" "Blood taken from arterial or venous blood gases is: a. kept at body temperature until testing b. drawn into SST tube c. put on ice and performed STAT d. drawn fasting e. spun down-the serum is transferred to an acid washed tube - CORRECT ANSWER c. put on ice and performed STAT" "Bluing can be accomplished by: a. Running the slides in tap water of pH 8 for 10 minutes b. Adding lithium carbonate to the water c. Adding HCL to the water d. Using Scott's Tap Water e. a, b, and c are correct f. a, b, and d are correct - CORRECT ANSWER f. a, b, and d are correct" "Bluing tissue sections is performed: a. With progressive staining b. With regressive staining c. After differentiation d. a and c are correct e. b and c are correct - CORRECT ANSWER e. b and c are correct" "BSP: a. stands for biological safety procedures b. is limited to blood urine infections only c. is complete infection control d. has the same guidelines for all of North America e. c & d - CORRECT ANSWER e. c & d" "Cells in a hypertonic solution will: a. swell and burst b. dehydrate c. hemolyze d. not be affected e. stop mitosis - CORRECT ANSWER b. dehydrate" "Chest lead V2 is located: a. Fifth intercostal space to the left margin of the sternum b. Fourth intercostal space to the right margin of the sternum c. Fifth intercostal space midclavicular line d. Fourth intercostal space to the left margin of the sternum - CORRECT ANSWER d. Fourth intercostal space to the left margin of the sternum" "Class C fires involve: a. paper, wood b. flammable liquids c. combustible metals d. electrical equipment e. fabrics and oils - CORRECT ANSWER d. electrical equipment" "Convert 41 degrees C to Fahrenheit: a. 100.0 F b. 74.6 F c. 110.0 F d. 112.0 F e. 105.8 F - CORRECT ANSWER e. 105.8 F" "Cortisol is: a. tested on plasma (green top tube) or serum (SST/yellow top) b. not affected by diet or exercise c. drawn as a fasting to timed specimen d. an adrenal medulla function e. a & c - CORRECT ANSWER e. a & c" "Cytology smears of sputum and synovial are fixed with: a. toluene b. benzene c. pap stain d. 10% ethanol e. 95% ethanol - CORRECT ANSWER e. 95% ethanol" "Dangerous goods are assigned a UN number. Which of the following describes what a UN number is?: a. it is a provincial number b. it is a 4 digit United Nations number c. it is the same as the class number d. it is only used for dangerous chemicals e. it is assigned by the transport company - CORRECT ANSWER b. it is a 4 digit United Nations number" "Defibrinated blood is prepared by: a. refrigeration overnight b. adding an anti-coagulant c. mixing with glass beads d. stirring with glass rod e. c & d - CORRECT ANSWER e. c & d" "During mitosis: a. one cell gives rise to 2 cells of the same type b. the nucleus undergoes changes and divides into two c. cellular reproduction is achieved d. all of the above e. a and b only - CORRECT ANSWER d. all of the above" "During tissue processing, what is the correct sequence of steps: a. clearing, dehydration, infiltration b. clearing, infiltration, dehydration c. dehydration, infiltration, clearing d. dehydration, clearing, infiltration e. embedding, sectioning, staining - CORRECT ANSWER d. dehydration, clearing, infiltration" "EDTA prevents clotting by: a. binding fibrinogen b. binding calcium ion c. by inhibiting prothrombin d. by binding anti-hemophilia factor - CORRECT ANSWER b. binding calcium ion" "Which of the following has the most influence on the transparency of the cytoplasm on the Papanicolaou staining procedure?: a. hydration b. blueing c. differentiation d. alcoholic counter stains e. nuclear stains - CORRECT ANSWER d. alcoholic counter stains" "Which of the following statements best completes the following? The endeavour of the MLA to maintain and improve their skills is________________________. a. part of quality management b. the knowledge of standards c. mandated by the code of ethics d. testing procedures e. professional regulation - CORRECT ANSWER c. mandated by the code of ethics" "Which piece of histology equipment is not temperature dependent: a. wax b. tissue processor c. microtome d. embedding center e. waterbath - CORRECT ANSWER c. microtome" "Which reagent is not routinely used to preserve tissue in a life-like manner: a. formic acid b. zenkers fluid c. 40% formaldehyde dissolved in water d. bouin's fluid e. 10% formalin - CORRECT ANSWER a. formic acid" "Which statement best describes what privacy legislation deals with: a. a private lab number b. the collection, use, and disclosure of personal information c. the privacy of the health care worker d. the privatization of provincial health care e. the control of private health care - CORRECT ANSWER b. the collection, use, and disclosure of personal information" "Which statement is false when performing a venipuncture: a. the vein is entered at a 15-20 degree angle b. the tubes are pushed onto the needle with the thumb of the strongest hand c. the bevel of the needle is pointed up when entering the vein d. the tourniquet is removed before withdrawing the needle e. the patients arm is cleansed before palpating the vein - CORRECT ANSWER e. the patients arm is cleansed before palpating the vein" "Which temperature reading would be the most accurate? a. Tympanic b. Oral c. Arterial d. Rectal - CORRECT ANSWER d. Rectal" "Which test would not be performed in immunohematology? a. crossmatch b. group and Rh c. reticulocyte count d. coomb's direct e. ABO testing - CORRECT ANSWER c. reticulocyte count" "Which type of plastic ware can be autoclaved? a. polyethylene b. polystyrene c. polypropylene d. polyvinyl chloride e. Pyrex - CORRECT ANSWER c. polypropylene" "WHMIS stands for: a. worker harmful material information sheets b. worker handbook on mechanical and industrial safety c. workplace hazardous materials information system d. workplace harmful methods and industrial security e. none of the above - CORRECT ANSWER c. workplace hazardous materials information system" "Xylene is used to: a. fix autopsy specimen b. dehydrate tissue c. attach cover slips to slides d. clear tissue in paraffin wax e. embed tissue in paraffin wax - CORRECT ANSWER d. clear tissue in paraffin wax" "You are staining blood films using Wright's stain and the methylene blue stain is too bright. What is the cause? a. buffer is too basic b. buffer is too acidic c. the specimen is less than 4 hours old d. the methylene blue stain is too old e. the specimen was not fixed properly - CORRECT ANSWER b. buffer is too acidic" "Fixation is important in tissue processing because it: a. prevents cell morphology changes and shrinkage b. allows tissue to be examined in a life-like condition c. facilitates the staining process d. a & c e. a, b, & c - CORRECT ANSWER e. a, b, & c" "Glacial acetic is stored: a. under water b. with alkalis and other reactive chemicals c. in glass stoppered bottles d. in a safety cabinet e. in plastic bottles away from water - CORRECT ANSWER d. in a safety cabinet" "Glassware used to make 100 mls. of a 12% solution is a (an): a. Volumetric flask b. Beaker c. Erlenmeyer cylinder d. Graduated cylinder e. Safety bulb - CORRECT ANSWER a. Volumetric flask" "Glassware used to measure 24 hour urine is a (an) a. Volumetric flask b. Beaker c. Erlenmeyer cylinder d. Graduated cylinder e. Safety bulb - CORRECT ANSWER d. Graduated cylinder" "Glucose results are correctly reported in: a. g/mmol b. mmol/L c. g/L d. g/ml e. g/dl - CORRECT ANSWER b. mmol/L" "Glycosylated hemoglobin: a. causes sickle cell anemia b. is affected by the patients food intake on the day of testing c. is drawn on a green top tube d. indicates blood glucose levels from preceding months e. requires an SST tube - CORRECT ANSWER d. indicates blood glucose levels from preceding months" "Hemolysis may result from: a. using a 25 gauge needle on an adult b. vigorously shaking the blood specimen c. refrigerating the vacutainer before use d. leaving the tourniquet on for 3 minutes e. all of the above - CORRECT ANSWER e. all of the above" "How many grams of NaCl are needed to make 300ml of a 2% solution: a. 2 grams b. 4 grams c. 6 grams d. 20 grams e. unable to determine with information - CORRECT ANSWER c. 6 grams" "How much 5% HCL is required to make 500 ml of 2% solution: a. 100 ml b. 200 ml c. 300 ml d. 400 ml e. none of the above - CORRECT ANSWER b. 200 ml" "How often a fire extinguisher should be recharged: a. weekly b. monthly c. quarterly d. bi-annually e. yearly - CORRECT ANSWER e. yearly" "How should a capillary tube be sealed when performing a microhematocrit: a. both ends are sealed at a 45 degree angle to the clay b. the end used to collect the blood is sealed c. the clean end is sealed at a 45 degree angle to the clay d. the clean end is sealed at a 90 degree angle to the clay e. the capillary tube is not sealed - CORRECT ANSWER d. the clean end is sealed at a 90 degree angle to the clay" "How should articles be packed in the autoclave: a. close together so more articles can be sterilized at one time b. crisscrossed with one on top of another c. loosely with 1 to 3 inches between all articles and surrounding walls d. on their sides - CORRECT ANSWER c. loosely with 1 to 3 inches between all articles and surrounding walls" "How should commercially prepared culture plates be stored? a. in the freezer until several hours before use b. inverted to prevent condensation dripping on the media c. at room temperature in a dark area of the lab d. at a temperature of 2*C - 4*C e. b & d - CORRECT ANSWER e. b & d" "How should jars and glassware be positioned in the autoclave: a. in an upright position with lids removed b. on their sides with lids removed c. on their sides with lids on d. in an upright position with lids on - CORRECT ANSWER b. on their sides with lids removed" "How will drawing a small amount of blood in the EDTA tube affect the spun hematocrit value: a. no affect b. blood will hemolyze and give an inaccurate result c. falsely increased value d. falsely decreased value e. clots will form and a hematocrit can`t be done - CORRECT ANSWER d. falsely decreased value" "Icteric serum contains high amounts of: a. bacteria b. protein c. hemolyzed RBC d. bilirubin e. c & d - CORRECT ANSWER d. bilirubin" "Identify the correct sequence of steps on the gram stain procedure: a. primary stain, secondary stain, mordant, decolorizing b. mordant, primary stain, decolorizing, counterstain c. counterstain, mordant, primary stain, decolorizing d. primary stain, mordant, decolorizing, counterstain e. none of the above - CORRECT ANSWER d. primary stain, mordant, decolorizing, counterstain" "Identify the false statement regarding blood culture collection: a. the site is cleaned with betadine and alcohol b. an arterial sample is collected c. an aerobic specimen is required d. blood culture tubes are always drawn first e. the specimens are never refrigerated - CORRECT ANSWER b. an arterial sample is collected" "Identify the false statement when a specimen is cultured: a. the equipment required is a loop and a direct flame b. the media is brought to room temperature before use c. the media selected is dependent on the type of specimen d. the loop is sterilized prior to inoculation e. the petri lid is placed upright to the bench to prevent contamination - CORRECT ANSWER e. the petri lid is placed upright to the bench to prevent contamination" "Identify the incorrect step when using a serological pipette: a. the pipette tip is below the liquid surface when filling b. releasing the safety bulb will draw liquid into the pipette c. it delivers total capacity or multiple volumes d. it is held vertically and allowed to drain freely e. the last portion of the pipette contents is discarded in a separate container - CORRECT ANSWER e. the last portion of the pipette contents is discarded in a separate container" "If 0.2 ml of a sample is aspirated into an automatic dilutor and added to 5 mls of diluents, what is the final dilution? a. 1/511 b. 0.2/5 c. 1/26 d. 1/25 e. none of the above - CORRECT ANSWER c. 1/26" "If a patient faints during a venipuncture, you should: a. call the physician at once b. remove the needle and attend to the patient c. yell loudly at the patient to keep him conscious d. continue the procedure until all blood is collected e. start artificial respiration immediately - CORRECT ANSWER b. remove the needle and attend to the patient" "If a patient refuses to have a venipuncture done you should: a. tear up the requisition b. collect a urine sample c. politely ask a patient to come back next week d. restrain the patient and proceed with the venipuncture e. notify the patient's physician - CORRECT ANSWER e. notify the patient's physician" "If a vein feels lumpy or ropey when palpated it is probably: a. Flabby b. Deep c. Tortuous d. Superficial - CORRECT ANSWER Tortuous" "If an article cannot be sterilized immediately, it should be: a. placed in boiling water for 10 mins b. placed in an antiseptic solution c. rinsed off and placed in a soaking solution d. placed in the autoclave for 5 mins - CORRECT ANSWER c. rinsed off and placed in a soaking solution" "If artifact is present on the ECG recording, you should: a. Run it again b. Check lead placement and run again c. Correct the problem and run again d. None of the above - CORRECT ANSWER b. Check lead placement and run again" "In order to burn, fire requires everything except: a. oxygen b. fuel c. CO2 d. heat e. a and d - CORRECT ANSWER c. CO2" "100ml of 20% hydrochloric acid will make how many mls of 4% hydrochloric acid: a. 50ml b. 80ml c. 100ml d. 500ml e. 1000ml - CORRECT ANSWER d. 500ml" "17-hydroxy steroid (17-OH) and 17-ketosteroids (17-KS) requires: a. 24 hour urine b. heparinised plasma c. serum, frozen after separation of clot d. 72 hour stool e. random urine - CORRECT ANSWER a. 24 hour urine" "A 1/8 dilution of urine is: a. 1 part water and 8 parts urine b. 1 part urine and 8 parts water c. 1 part urine and 7 parts water d. 1 part water and 7 parts urine e. 1 part water and 9 parts urine - CORRECT ANSWER c. 1 part urine and 7 parts water" "A baseline represents: - CORRECT ANSWER The time interval from the beginning of atrial depolarization to the beginning of ventricular depolarization" "A biohazardous container is used to discard: a. lancets b. needles c. band-aid wrappers d. a & b e. a, b & c - CORRECT ANSWER d. a & b" "A biopsy is: a. a removal of biological fluid b. the removal of an organ c. a post mortem examination d. excision of a representative tissue sample e. a collection of blood - CORRECT ANSWER d. excision of a representative tissue sample" "A longer exposure time is needed for a dry heat oven because: a. dry heat has limited killing action b. dry heat ovens can only reach a maximum temperature of 200 degrees F c. dry heat penetrates slowly and unevenly d. microorganisms and spores are more resistant to dry heat e. all of the above f. c and d - CORRECT ANSWER f. c and d" "A patient requests tests results from the MLA. Which of the following statements represents the appropriate course of action to be taken by the MLA?: a. the MLA should give the patient the results, it is the patient's right b. the MLA can call the patient at home c. the MLA tells the patient it is not his/her job d. the MLA refers the request to the supervisor e. the MLA tells the patient the results were lost, call back - CORRECT ANSWER d. the MLA refers the request to the supervisor" "A refractometer is used to test: a. hemoglobin in urine b. urine osmolality c. urine specific gravity d. urobilinogen in urine e. the presence of nitrates in urine - CORRECT ANSWER c. urine specific gravity" "A remittent fever is characterized by: a. Body temperature fluctuates minimally but always remains elevated b. The temperature alternately rises and falls and sometimes returns to normal c. below normal d. A wide range of temperature fluctuations occur, all of which are above normal e. None of the above - CORRECT ANSWER d. A wide range of temperature fluctuations occur, all of which are above normal" "A volumetric pipette: a. gives critical measurements b. is made of Class A standards c. has a bulged out portion in the middle d. is calibrated TD e. all of the above - CORRECT ANSWER e. all of the above" "An MSDS is valid: a. for one year b. for two years c. for three years d. until new information becomes available e. c or d, which ever comes first - CORRECT ANSWER e. c or d, which ever comes first" "Autoclave tape: a. assures whether or not sterilization has taken place b. indicates whether or not the article has been in the autoclave c. can only be used to close the pack d. indicates if the autoclave is broken - CORRECT ANSWER b. indicates whether or not the article has been in the autoclave" "Bilirubin: a. Is increased in patients with jaundice b. produced from broken down RBCs c. increased in babies with HDN(hemolytic disease of the newborn) d. sensitive to light e. all of the above - CORRECT ANSWER e. all of the above" "Blood films are not fixed before staining because: a. they are fixed with heat after staining b. they are fixed with phosphate buffer during staining c. blood cells do not require fixing d. Wright's stain contains methanol, which does the fixing e. the anti-coagulant EDTA acts as a fixing agent - CORRECT ANSWER d. Wright's stain contains methanol, which does the fixing" "Insidious hazards: a. include substances which react violently with each other b. include aerosols, carcinogens, mutagens, and radiation c. are substances that cause injury by direct chemical action d. are graded using TLV and TLV-S.T.E.L. values e. are always chemical in nature - CORRECT ANSWER b. include aerosols, carcinogens, mutagens, and radiation" "Insulin is: a. a hormone b. produced by the pancreas c. has the opposite effect to glucagon d. also produced by the parathyroid glands e. all of the above - CORRECT ANSWER e. all of the above" "Kidney function test (s) include: a. BUN b. creatinine clearance c. electrolyte profile d. total protein e. all of the above are kidney function tests - CORRECT ANSWER e. all of the above are kidney function tests" "Lactose tolerance testing: a. will diagnose a patients inability to digest milk sugar b. cannot be done on urine samples c. will diagnose enzyme deficiency d. requires the patient to fast for 12-14 hours e. a & c - CORRECT ANSWER e. a & c" "Latex gloves protect the lab employee from: a. accidental needle puncture b. microtome injury c. patient aerosols d. body fluids e. all of the above - CORRECT ANSWER d. body fluids" "LC. 50 is: a. concentration of substance a worker can be exposed to for short time without effect b. dose of substance given to test animals that kills half of them c. concentration in air that kills half of test animals exposed to it d. concentration of substance a worker can be exposed to for 8 hours a day 40 hours a week without adverse effect e. toxic legal volume - CORRECT ANSWER c. concentration in air that kills half of test animals exposed to it" "LD. 50 is: a. concentration of substance a worker can be exposed to for a short time without effect b. dose of substance given to test animals that kills half of them c. concentration in air that kills half the test animals exposed to it d. concentration of substance a worker can be exposed to for 8 hours a day 40 hours a week without adverse effect e. toxic legal volume - CORRECT ANSWER b. dose of substance given to test animals that kills half of them" "Leukopoiesis is: a. an increase in the production of white blood cells b. the synthesis of white blood cells c. non nucleated d. the destruction of white blood cells e. none of the above - CORRECT ANSWER b. the synthesis of white blood cells" "Lines of authority are important. The MLA's immediate line of authority is: a. registered nurse b. the hospital physician c. the medical lab technologist d. a peer e. laboratory manager - CORRECT ANSWER c. the medical lab technologist" "Medicare is: a. a private insurance system b. Canada's national health insurance program c. a representative of health professionals d. a regulating organization e. a Canadian private lab - CORRECT ANSWER b. Canada's national health insurance program" "MSDS sheets do not contain: a. product identifier and use b. hazardous ingredients c. first aid measures d. preventative measures e. hazard symbols - CORRECT ANSWER e. hazard symbols" "P wave represents: - CORRECT ANSWER The time interval from the end of atrial depolarization to the beginning of ventricular depolarization" "P-R interval represents: - CORRECT ANSWER Repolarization of the ventricles." "P-R segment represents: - CORRECT ANSWER Depolarization of the ventricles." "Physiological saline is prepared by mixing: a. distilled water and sea water b. distilled water and hypochlorite c. tap water and hypochlorite d. distilled water and sodium chloride e. distilled water and HCL - CORRECT ANSWER d. distilled water and sodium chloride" "Platelets are: a. thrombocytes b. necessary for the clotting of blood c. non nucleated d. derived from megakaryocytes e. all of the above - CORRECT ANSWER e. all of the above" "Positive lab findings indicate the presence of a communicable disease within the meaning of the Health Protection and Promotion Act, are to be reported to the medical officer of health within: a. one-week b. 24 hours c. one month of testing d. time is not a factor e. at the supervisor's discretion - CORRECT ANSWER b. 24 hours" "Pus cells or fat in urine would cause this color: a. red b. yellow-brown c. greenish-blue d. milky-white e. black - CORRECT ANSWER d. milky-white" "Q-T interval represents: - CORRECT ANSWER Depolarization of the atria" "QRS complex represents: - CORRECT ANSWER The time interval from the beginning of ventricular depolarization to the end of ventricular repolarization" "Quality control ensures: a. more safety for lab personnel b. more safety for patients c. more reliable test results d. normal test results e. decreased infection for patients and staff - CORRECT ANSWER c. more reliable test results" "Quality control is: a. running known and unknown controls b. involvement in LPTP program c. for accuracy and precision d. insuring control values are within 2 SD(standard deviants) e. all of the above - CORRECT ANSWER e. all of the above" "Romanowsky stain contains: a. methylene blue b. iodine c. eosin d. safranin e. a & c - CORRECT ANSWER e. a & c" "Round Gram positive bacteria which grow in clusters called: a. spirochetes b. streptococci c. bacillococci d. diplococci e. staphylococci - CORRECT ANSWER e. staphylococci" "S-T segment represents: - CORRECT ANSWER Polarized or resting state" "Separated serum that is dark yellow to amber in color is termed: a. crenated b. lipemic c. jaundiced d. icteric e. hemolyzed - CORRECT ANSWER d. icteric" "Serum is acidified after separation for which test: a. uric acid b. frederickson typing c. acid phosphate d. BUN e. creatine - CORRECT ANSWER c. acid phosphate" "Serum specimens which are milky white are termed: a. hemolyzed b. icteric c. lipemic d. opaque e. turbid - CORRECT ANSWER c. lipemic" "Solid crystals of potassium oxalate are added to distilled water in a container. What term best describes potassium oxalate? a. solution b. solvent c. solute d. reagent e. two of the above - CORRECT ANSWER c. solute" "Solid crystals of potassium oxalate are added to distilled water in a container. What term would describe the potassium oxalate? a. solution b. solvent c. solute d. reagent e. a & c - CORRECT ANSWER " "Some bacteria can produce a capsule that is resistant to heat and drying. This is called a; a. scab b. tunic c. spore d. cyst e. sheath - CORRECT ANSWER c. spore" "Sterilization by dry heat is done at: a. 100 degrees C b. 121 degrees C c. 150 degrees C d. 160 degrees C e. 250 degrees C - CORRECT ANSWER d. 160 degrees C" "T cells are: a. monocytes b. neutrophils c. lymphocytes d. eosinophils e. basophils - CORRECT ANSWER c. lymphocytes" "T wave represents: - CORRECT ANSWER The time interval from the end of ventricular depolarization to the beginning of ventricular repolarization" "The "universal solvent" is: a. 0.85% sodium chloride b. 8.5% NaCl c. water d. 10% ethanol e. absolute alcohol - CORRECT ANSWER c. water" "The anticoagulant required for a differential blood film: a. sodium citrate b. EDTA c. sodium heparin d. sodium oxalate - CORRECT ANSWER b. EDTA" "The autoclave is set at _____ for small loads: a. 121*C for 50min at 6 p.s.i. b. 130*C for 30min at 30 p.s.i. c. 121*C for 15min at 15 p.s. i. d. 121*C for 45min at 15 p.s.i. e. 154*C for 20min at 20 p.s.i. - CORRECT ANSWER b. 130*C for 30min at 30 p.s.i." "The buffy coat is made up of: a. WBCs and platelets b. granulocytes c. erythrocytes and granulocytes d. reticulocytes e. platelets - CORRECT ANSWER a. WBCs and platelets" "The definition of basic knowledge for the MLA/T is: a. perform tests requiring judgement b. knowledge of all lab instrumentation c. knowledge of interpretive procedures d. phlebotomy only e. entry-level comprehension of theoretical basis - CORRECT ANSWER e. entry-level comprehension of theoretical basis" "The destruction of erythrocytes to release hemoglobin is called: a. hemorrhage b. hemostasis c. erythropoiesis d. hemolysis e. hypoxia - CORRECT ANSWER d. hemolysis" "The disclosure of the source of toxicological data from a controlled product produced in a workplace may be requested by: a. an inspector b. a worker at the workplace c. member of health and safety committee d. health and safety rep. e. all of the above - CORRECT ANSWER e. all of the above" "The end products of protein digestion are: a. glycerol b. fatty acids c. triglycerides d. monosaccharides e. amino acids - CORRECT ANSWER e. amino acids" "The first drop of blood is wiped away after performing a skin puncture to: a. remove any pathogens that are present b. increase blood flow to the area c. remove the last traces of alcohol d. remove any excess tissue fluid e. c & d - CORRECT ANSWER e. c & d" "The following test (s) will not be performed on a hemolyzed specimen: a. LD b. K c. CK d. a, b, & c e. sedimentation rate - CORRECT ANSWER d. a, b, & c" "The following test gives information regarding erythrocytes: a. malaria smears b. RBC count c. APTT d. ESR e. a, b, and d are correct - CORRECT ANSWER e. a, b, and d are correct" "The function of the respiratory system is: a. to supply oxygen to tissue b. to remove carbon dioxide from tissue c. to regulate heart beat d. to regulate the endocrine system e. a & b - CORRECT ANSWER e. a & b" "The function unit of the kidney is the: a. renal cell b. renal cortex c. renal tubule d. bladder e. nephron - CORRECT ANSWER e. nephron" "The heat-regulating center of the body is the: a. Medullar oblongata b. Thalamus c. Hypothalamus d. Pons - CORRECT ANSWER c. Hypothalamus" "The inside of the autoclave should be washed everyday with what: a. a mild detergent b. a disinfectant c. an antiseptic distilled water d. a scouring pad - CORRECT ANSWER a. a mild detergent" "The layer above the precipitate in a solution is called the: a. supernatant b. solute c. suspension d. sediment e. solvent - CORRECT ANSWER a. supernatant" "The liquid portion of blood remaining after a clot has formed is called: a. the buffy coat b. serum c. plasma d. lymph e. tissue fluid - CORRECT ANSWER b. serum" "The maximum depth to perform a heel puncture on a newborn is: a. 1.5mm b. 2.0mm c. 2.4mm d. 2.8mm e. 3.0mm - CORRECT ANSWER c. 2.4mm" "The most commonly used microscope in the clinical laboratory is the: a. electron b. dark-filed c. phase-contrast d. florescent e. light - CORRECT ANSWER e. light" "The notation 10 to the power of 3 means: a. 100 b. 30 c. 1000 d. 300 e. 3000 - CORRECT ANSWER c. 1000" "The P wave represents: a. The electrical activity associated with the contraction of the ventricles b. The electrical activity associated with the contraction of the atria c. The innervation of the bundle of His d. None of the above - CORRECT ANSWER b. The electrical activity associated with the contraction of the atria" "The proper time for sterilizing an article in the autoclave: a. depends upon the type of autoclave being used b. depends upon what is being autoclaved c. depends upon the type of indicator being used d. is approximately 15 to 20 minutes - CORRECT ANSWER b. depends upon what is being autoclaved" "The purpose of doing a differential is to: a. determine the proportion of RBC in whole blood b. count the number of WBC's in whole blood c. determine the proportions of WBC's in whole blood d. c & e e. diagnose anemia - CORRECT ANSWER c. determine the proportions of WBC's in whole blood" "The secretion from the lungs which is tested for malignant cells is called: a. spittle b. semen c. saliva d. sputum e. synovial fluid - CORRECT ANSWER d. sputum" "The shape of a normal erythrocyte is described as: a. biconcave disc b. spherocyte c. polymorphonucleocytes d. thin column e. bull's eye - CORRECT ANSWER a. biconcave disc" "The site of a specimen must be written on a swab container: a. to warn staff about a possible pathogen b. only if time permits-it is always on the requisition c. to determine suitable agar and atmospheric requirements d. to determine the OHIP fee e. a,b,c,d,& e - CORRECT ANSWER c. to determine suitable agar and atmospheric requirements" "The solution used to fix a pap smear is: a. wright stain b. hematoxylin c. physiological saline d. cytospray e. methylene blue - CORRECT ANSWER d. cytospray" "The T wave represents: a. The electrical activity associated with the contraction of the atria b. The electrical activity associated with the contraction of the ventricles c. The electrical recovery of the atria d. The electrical recovery of the ventricles - CORRECT ANSWER d. The electrical recovery of the ventricles" "The test most affected by having the tourniquet on for more than 1.5 min is the: a. calcium b. RBC count c. PT d. glucose e. WBC count f. a & b - CORRECT ANSWER f. a & b" "The test procedure that uses a Westergren tube is: a. erythrocyte sedimentation rate b. hematocrit c. reticulocyte count d. microhematocrit e. differential - CORRECT ANSWER a. erythrocyte sedimentation rate" "The test that counts the number of immature RBC's is the: a. osmotic fragility test b. differential c. reticulocyte count d. RBC count e. stab cell count - CORRECT ANSWER c. reticulocyte count" "The tourniquet is: a. applied very tightly to the arm b. used to increase venous fill c. applied about 6-8′′ above the elbow d. tied in a knot to keep it on securely e. released after the needle is withdrawn - CORRECT ANSWER b. used to increase venous fill" "The vacutainer tube which is used to collect and separate serum is the: a. red b. green c. lavender d. light blue e. SST - CORRECT ANSWER e. SST" "To convert Farenheit to Celcius: a. 5/9 (F-32) b. 9/5 + 32 (C) c. 5/9 - 32 (F) d. 9/5 (C + 32) - CORRECT ANSWER a. 5/9 (F-32)" "TSH is a hormone: a. produced by the thyroid gland b. which stimulates T3 and T4 to be secreted c. which stimulates testosterones to be secreted d. also produced by the parathyroid glands e. none of the above - CORRECT ANSWER b. which stimulates T3 and T4 to be secreted" "Two standard deviations from the mean include: a. 5% of all values b. 34% of all values c. 50% of all values d. 68% of all values e. 95% of all values - CORRECT ANSWER e. 95% of all values" "V1 is located at the? - CORRECT ANSWER 4th intercostal space, right side of sternum" "V2 is located where? - CORRECT ANSWER Fourth intercostal space to the left of the sternum." "V3 is located where? - CORRECT ANSWER Midway between V2 and V4" "V4 is located at the? - CORRECT ANSWER Fifth intercostal space at the junction of left midclavicular line" "V5 is located at the? - CORRECT ANSWER At the horizontal level of position 4 at the left anterior axillary line" "V6 is located at the? - CORRECT ANSWER Fifth intercostal space, midaxillary line." "Venipuncture needles should be discarded: a. Directly into the garbage b. They are actually recycled, not discarded c. Directly into an autoclave bag d. Directly into a Sharps container - CORRECT ANSWER d. Directly into a Sharps container" "Water that is free of charged particles is: a. distilled b. radioactive c. chlorinated d. de-ionized e. heavy. - CORRECT ANSWER d. de-ionized" "What areas on an infant are suitable for skin puncture: a. any calloused areas of the foot b. the second or third finger on either hand c. the posterior curvature of the heel d. the lateral, flat portion of the heel - CORRECT ANSWER d. the lateral, flat portion of the heel" "What could cause precipitation on a slide when performing a Wright's stain? a. insufficient removal of metallic scum during washing b. too much buffer c. excessive humidity in the air d. staining time too short e. water in the methanol - CORRECT ANSWER a. insufficient removal of metallic scum during washing" "What is normal flora?: a. one that affects the nose only b. a contagious disease passed from physician to patient c. a disease which affects the skin d. harmless non pathogenic micro-organisms which live on the body e. an airborne infection - CORRECT ANSWER d. harmless non pathogenic micro-organisms which live on the body" "What is the meniscus? a. a type of balance b. the tip of a pipette c. the precipitate in a solution d. the curved surface of a liquid e. a special type of plastic ware - CORRECT ANSWER d. the curved surface of a liquid" "What is the mounting medium used to cover slip hematology slides: a. Permount b. eosin c. formalin d. xylene e. plasticene - CORRECT ANSWER a. Permount" "What is the normal temperature of a laboratory refrigerator: a. -4 C b. 0 C c. 3 C d. 20 C e. 37 C - CORRECT ANSWER c. 3 C" "What is the purpose of a holter monitor? a. To evaluate unexplained chest pain b. To assess effectiveness of an artificial pacemaker c. To assess the effectiveness of antidysrhythmic medications d. All of the above - CORRECT ANSWER d. All of the above" "What is the purpose of sterilization indicators: a. to check against improper wrapping of articles b. to check for improper loading of the autoclave c. to check for the presence of air in the autoclave d. to check to make sure the autoclave is working properly e. all of the above - CORRECT ANSWER d. to check to make sure the autoclave is working properly" "What is the purpose of wrapping articles before they are sterilized in the autoclave: a. to allow better steam penetration during autoclaving b. to protect the articles from recontamination during handling and storage c. to ensure complete destruction of all pathogens d. to allow the sterilization package to be opened without contaminating the contents e. all of the above f. f. b and d - CORRECT ANSWER f. b and d" "What is used to hold a specimen larger than 5 mm for tissue processing: a. basket b. cuvette c. rack d. cassette e. wire netting - CORRECT ANSWER a. basket" "What laboratory department studies antigen-antibody reaction? a. hematology b. microbiology c. immunology d. chemistry e. coagulation - CORRECT ANSWER c. immunology" "What should the medical assistant do if she is getting ready to wrap an instrument and discovers the wrapper has a hole: a. repair the hole with adhesive tape b. wrap the instrument, ignoring the hole as sterilizing will still take place c. obtain a new wrapper d. none of the above - CORRECT ANSWER c. obtain a new wrapper" "What statement is true? a. a base releases H+ in solution b. an acid releases OH- in solution c. a base has a lower pH than an acid d. an acid added to base forms a salt e. an acid will turn pH paper blue - CORRECT ANSWER d. an acid added to base forms a salt" "What tube would be collected for a cross-match? a. lavender b. light blue c. green d. grey e. plain red top - CORRECT ANSWER e. plain red top" "What tube would be drawn for ANA? a. red b. grey c. SST d. green e. light blue - CORRECT ANSWER c. SST" "What type of water should be used in an autoclave: a. salt water b. distilled water c. tap water d. mineral water - CORRECT ANSWER b. distilled water" "What vein/veins is not used to obtain a venous blood sample: a. basilica vein b. cephalic vein c. medial cubital vein d. femoral vein e. veins on the back of the hand - CORRECT ANSWER d. femoral vein" "What will increase CO2 tension when incubating microbiology cultures? a. CO2 incubator b. gas pak c. candle jar d. anaerobic jar e. a & c - CORRECT ANSWER e. a & c" "What would happen if the bladder of the cuff you are using to take blood pressure is too small? a. Reading may be falsely low b. Reading may be falsely high c. Would not be able to get a reading d. All of the above - CORRECT ANSWER b. Reading may be falsely high" "When a tissue is fixed it means: a. putrefaction and autolysis are prevented b. the tissue is dehydrated c. the tissue is retained in a life-like manner d. all calcium ions have been removed e. a & c - CORRECT ANSWER e. a & c" "When an agar plate is streaked correctly the final result is: a. a pure culture b. individual colonies c. no growth pathogens d. dense growth which covers the plate e. a non-contaminated specimen - CORRECT ANSWER b. individual colonies" "When citing the Insurance Act, an insurer may request that the laboratory test a human specimen for: a. glucose levels b. heart disease markers c. any test requested d. HIV antibody e. all communicable diseases - CORRECT ANSWER d. HIV antibody" "When collecting specimens for C & S one should: a. fast for 12-14 hours b. stop taking antibiotics for several days prior to collection c. have all x-rays done prior to collection d. come to the lab first thing in the morning e. follow any necessary dietary restrictions - CORRECT ANSWER b. stop taking antibiotics for several days prior to collection" "When performing a venipuncture, bright red blood spurts into the tube. This means: a. an arterial puncture b. high hemoglobin c. high hematocrit d. high blood pressure e. high blood pH - CORRECT ANSWER a. an arterial puncture" "When solid particles in a solution settle out, it is called: a. distillation b. precipitation c. filtration d. deionization e. floatation - CORRECT ANSWER a. distillation" "When using acid and water: a. acid is slowly added to water b. water is slowly added to acid c. water and acid are added together d. it makes no difference how they are added e. they are never mixed as heat is produced - CORRECT ANSWER a. acid is slowly added to water" "When working with carcinogens, you should: a. perform procedure in a laminar flow hood b. mouth pipette c. wear stainless steel gloves d. wash hands with soap and hot water when finished e. wear safety goggles - CORRECT ANSWER a. perform procedure in a laminar flow hood" "Where should Sterilometer strips be positioned: a. on the bottom shelf of the autoclave b. in close proximity to the aur exhaust valve c. in the center of each article d. on the outside of each pack - CORRECT ANSWER c. in the center of each article" "Which chemical is not explosive?: a. crystal violet b. ether c. picric acid d. sodium azide e. potassium metal - CORRECT ANSWER a. crystal violet" "Which cytology specimen cannot be prepared by cytospin method? a. CSF b. joint fluid c. urine d. breast fluid e. all of the above are suitable - CORRECT ANSWER b. joint fluid" "Which enzyme(s) would be increased in a patient with acute Ml: a. Bilirubin b. CK c. AST d. b and c are correct e. all of the above - CORRECT ANSWER d. b and c are correct" "Which factor may cause a blood smear to be too thin? a. the angle of the spreader is too high b. the edge of the spreader is cracked c. the smear is spread too slowly d. the angle of the spreader is too low e. a dirty spreader is used - CORRECT ANSWER d. the angle of the spreader is too low" "Which factor would increase tissue processing time for a histology specimen? a. gentle heat b. dense tissue c. gentle agitation d. vacuum infiltratioin e. porous tissue - CORRECT ANSWER b. dense tissue" "Which factor would interfere with the growth of a pathogen? a. appropriate nutrients b. darkness c. a moist environment d. an acidic pH e. a temperature of 37 C - CORRECT ANSWER d. an acidic pH" "Which Gram stain reagent acts as a mordant to bind the stain to the bacteria? a. Lugol's iodine b. safranin c. acetone-alcohol d. Gram's iodine e. crystal violet - CORRECT ANSWER d. Gram's iodine" "Which hormone test would not be done on 24-hour urine? a. catecholamines b. VMA c. estradiol d. metanephrines e. insulin - CORRECT ANSWER e. insulin" "Which is a true statement regarding cytology testing: a. all cytology is performed STAT b. BSP precautions are not required c. formalin is a common fixative d. cytospray is a common fixative e. two of the above are true - CORRECT ANSWER d. cytospray is a common fixative" "Which is most commonly used for protection when processing swabs, body fluid or blood?: a. fume hood b. class l laminar flow hood c. class ll laminar flow hood d. class lll laminar flow hood e. glove box - CORRECT ANSWER c. class ll laminar flow hood" "Which is not a liver function test?: a. albumin b. ALP c. CK d. bilirubin e. AST - CORRECT ANSWER c. CK" "Which is not a type of WBC?: a. reticulocyte b. basophil c. eosinophil d. monocyte e. lymphocyte - CORRECT ANSWER a. reticulocyte" "Which is not an organ of the endocrine system: a. pancreas b. thymus c. spleen d. ovaries e. thyroid - CORRECT ANSWER c. spleen" "Which is suitable to culture a mycological specimen?: a. Blood agar b. large test tubes containing Saubourand's dextrose agar c. Maconkey agar d. culture tubes with sterile broth e. b and d are correct - CORRECT ANSWER b. large test tubes containing Saubourand's dextrose agar" "Which is super vital stain? a. Ziehl-Neelson stain b. Gram's stain c. Wright's stain d. Romanowsky stain e. New methylene blue stain - CORRECT ANSWER e. New methylene blue stain" "Which is used to preserve 24-hour urines for endocrine testing: a. sodium bicarbonate b. oxalic acid c. hypochlorite acid d. sodium hypochlorite e. acetone - CORRECT ANSWER c. hypochlorite acid" "Which method is acceptable to discard a used needle? a. discard whole needle into puncture -proof container b. cut needle and discard into puncture proof container c. bend needle and discard into puncture proof container d. discard into biohazard bag e. discard into regular garbage - CORRECT ANSWER a. discard whole needle into puncture -proof container" "Which needle gauge corresponds with the smallest needle size: a. 18 b. 20 c. 21 d. 22 e. 23 - CORRECT ANSWER e. 23" "Which of the following best describes a bill?: a. a proposed act that is before the legislative assembly b. a law made by a person or body whose authority to make the law is set out in the act c. requirements of an employer d. passed after one reading e. created in response to Canadian workers - CORRECT ANSWER a. a proposed act that is before the legislative assembly" "Which of the following best describes what is meant when we say a profession is regulated: a. entry into the profession is controlled by an organization b. there is a provincial legislation defining who can practice c. there are standards of practice members of the profession must meet d. all of the above e. none of the above - CORRECT ANSWER d. all of the above" "Which of the following is a function of sanitation?: a. to remove gross contaminants such as blood b. to remove all pathogens and non pathogens c. to disinfect articles d. to lower the number of microorganisms e. all of the above f. a and d are correct - CORRECT ANSWER f. a and d are correct" "Which of the following is a quantitative result? a. few bacteria present b. 1+ glucose c. moderate amount of crystals seen d. urobilinogen +2 e. specific gravity 1.010 - CORRECT ANSWER e. specific gravity 1.010" "Which of the following is true regarding a bacterial spore?: a. all bacteria forms spores b. a spore consists of a hard, thick walled capsule c. spores represent a resting and protective stage d. spores can be destroyed by disinfectants e. all of the above f. b and c are correct - CORRECT ANSWER f. b and c are correct" "Which of the following statements is true regarding personal information about patients: a. patient's personal information may be discussed during a coffee break b. must never be discussed outside the hospital c. may be discussed with other patients d. may be used for your personal advantage e. may be discussed with all family members - CORRECT ANSWER b. must never be discussed outside the hospital" "Which of the following tasks falls within the scope of practice of a lab tech?: a. preparation of samples prior to testing b. quality control maintenance of lab instruments c. maintenance of laboratory records d. interpretation of lab results e. arterial blood gas collection - CORRECT ANSWER a. preparation of samples prior to testing" "Which piece of glassware would not give critical measurement? a. Volumetric flask b. Beaker c. Erlenmeyer cylinder d. Graduated cylinder e. safety bulb - CORRECT ANSWER b. Beaker" "Which reagent is not used to concentrate and stain ova and parasite specimen? a. zinc sulfate b. 10% formalin c. ether d. crystal violet e. all of the above - CORRECT ANSWER d. crystal violet" "Which reagent is stored under water? a. xylene b. ethanol c. drabkin's reagent d. picric acid e. ether - CORRECT ANSWER d. picric acid" "Which reagent is used to embed tissue after processing? a. Permount b. paraffin c. xylene d. formic acid e. liquid nitrogen - CORRECT ANSWER b. paraffin" "Which solvent is not flammable? a. ether b. ethanol c. methanol d. xylene e. saline - CORRECT ANSWER e. saline" "Which specimen does not require special diet restrictions? a. stool for c & s b. 72- hour fecal fat c. stool for occult blood d. 24-hour urine for 5H1AA - CORRECT ANSWER a. stool for c & s" "Which statement is false when setting up an ESR: a. it must be read in exactly one hour b. it should be set up near a centrifuge c. the blood level must be at exactly zero d. it should be performed on fresh blood e. it must be set up in a vertical position - CORRECT ANSWER b. it should be set up near a centrifuge" "Which statement is true regarding radiation hazard: a. radiation guidelines are set by food and drug act b. radiation is not transferred into the body c. radiation does not affect a fetus d. radiation accidents may be difficult to recognize e. large amounts of radiation are used in the RIA department - CORRECT ANSWER d. radiation accidents may be difficult to recognize" "Which statement is true regarding the use of reagent