OSMT Exam Question and Answers 100% Solved Correctly 2024

OSMT Exam Question and Answers 100% Solved Correctly 2024 Which of the following is termed as the "universal solvent?" a) acid b) base c) water d) sodium chloride - answerc) water Another term for saline is: a) water b) NaCL c) Na d)Cl - answerb) NaCl Cells in an isotonic solution will: a) swell and burst b) shrink and dehydrate c) be balanced with outer concentration d) hemolyze - answerc) be balance with outer concentration A biohazardous sharps container is used to dispose: a) rubber sleeve b) needles c) tourniquiets d) a and b e)c only - answerd) a and b - rubber sleeves (contains needle) and needles A patient experiences syncope, what should be the first action of the lab technician? a) continue drawing the blood b) run and call for help c) immediately remove the needle and attend to patient d) nothing, the patient will be fine - answerc) immediately remove the needle and attend to patient Which vein should not be collected from for blood collection? a) median cubital b) cephallic c) basillic d) tibial - answerd) tibial vein The use of non-latex gloves for blood collection protects the worker from: a) contamination of body fluids b) respiratory aerosols c) needlestick injury d) potential verbal difficulty with patient and their refusal for bloodwork - answera) contamination of body fluids Why is the first drop always removed prior to a finger puncture? a) to remove any pathogens on the skin b) to remove the interstitial fluid c) to increase the blood flow from the site d) to allow site to heal better - answerb) removal of interstitial fluid Blood cultures are collected to test for: a) septicemia b) viral infections c) respiratory tract infections d) colitis - answera )septicemia The most important consideration when collecting blood cultures is: a)minimizing the number of sticks b) aseptic technique c) puncture site d) thanking the patient - answerb) aseptic technique What is the definition of +/- 3SD? a) 99.7% in range b) 95.5 % in range c) 100% in range d) 68% in range - answera) 99.7% in range Any CBC samples can be used as long as they are: a) no more than 48 hours old b) no more than 24 hours old c) can only be used within 4 hours d) can only be used within 8 hours - answerb) no more than 24 hours old (any CBC sample >24 hours old CANNOT be used) Light blue samples, if not used within 4 hours for testing should follow the protocol of: a) store at RT on lab bench b) store in refrigerator c) store in freezer d) store under biological safety cabinet - answerc) store in freezer CBC is ordered for the evaluation of: a) serum in blood b) plasma in blood c) RBCS only in blood d) formed elements of blood - answerd) formed elements of blood Formed elements consists of: a) WBCs b) RBCs c) platelets d) all of the above - answerd) all of the above Where are RBC's, WBC's and platelets made (in other words, their source)? a) heart b) bone marrow c) liver d) pancreas - answerb) bone marrow Which of the following is the correct percentage of buffy coat? a) 45% b) <1% c) 55% d) 100% - answerb) <1% Where are cells examined on the blood film/smear? a) head b) tail c) body d) mono layer (zone of morphology) e) application point - answerd) monolayer (zone of morphology) What makes a good blood film/smear? a) it is smooth and free of any holes, ripples or grease b) size of the drop c) entire drop is picked up d) approx. 35 degree angle of the spreader is used e) all of the above - answere) all of the above other: -not touching the edges -2/3 to 3/4 length of the slide If the patients hemoglobin and hematocrit is increased, what angle should the spreader be for the blood film? a) increased angle b) 35 degree angle c) decreased angle