Medical Laboratory Certification Questions with All
Correct & 100% Verified Answers |Latest Version |
Already Graded A+
Misidentifying the patient, which can lead to confusion of patients' samples and possible a wrong
diagnosis and perhaps death, is considered ✔Correct Answer-Negligence
You are taking blood from a patient to do a glucose level, he asks if you think he might have diabetes
mellitus, your best response is ✔Correct Answer-Tell him that he should discuss this with his
doctor, as he is better able to answer his questions.
The breakdown of blood cells ✔Correct Answer-hemolysis
The shape of a normal red blood cell ✔Correct Answer-biconcave disk
jaundice ✔Correct Answer-A yellow colouring of the skin due to liver dosorders
myocardial infarct ✔Correct Answer-An area of the heart tissue that dies
supine position ✔Correct Answer-lying face up on their back
mitosis ✔Correct Answer-Division of cells
isulin ✔Correct Answer-Produced by the islets of langerams, The hormone which regulates glucose
levels in the body, Produced by the pancreas
Aorta ✔Correct Answer-Large artery that caries blood to the body from the left side of the heart
30° Celsius in Fahrenheit ✔Correct Answer-86°f
in a quality control chart what percentage of the results will be outside the range of +/- 1 SD
✔Correct Answer-32%
Meter, decimeter, micrometer, millimeter, manometer, which is the smallest ✔Correct Answer-
nanometer
A serum is diluted 1/2 the result given by the glucometer reads 8 mmol/l. what is the result reported
✔Correct Answer-16 mmol/l
what percentage of values falls within +/-2 SD of a mean in a normal Gaussian distribution
✔Correct Answer-95.0%
Urine samples for culture should be in ✔Correct Answer-Sterile containers
When you have a STAT request you should perform the test ✔Correct Answer-Immediately
The source of the specimen should be written on the swab to ✔Correct Answer-Determine the
type of testing done on the specimen
,FOB test detects ✔Correct Answer-Blood
The most important thing on a specimen label ✔Correct Answer-Patient's name and accession
number
Laboratory staff who package and prepare specimens for transport to a referral laboratory must be
trained and certified under which legislation ✔Correct Answer-Transportation of dangerous goods
act
Serum, radiation, blood, sputum, tissue. which is not a biological hazard. ✔Correct Answer-
Radiation
What's the acceptable method for needle disposal ✔Correct Answer-Discard whole needle without
recapping into puncture proof container
Specimen for transport through Canada Post is ✔Correct Answer-not acceptable
Checking labels for expiration dates, adding water to acid, preparing reagents under a fume hood,
wearing goggles ad recommended safety precautions. which one is not acceptable when mixing
chemicals ✔Correct Answer-Adding water to acid
Standard temperature for a water bath ✔Correct Answer-35-37° C
decontamination of the centrifuge is done ✔Correct Answer-daily with 2% glutaraldehyde
distillation ✔Correct Answer-The process of purifying water by successively boiling then cooling to
condense water vapour
some laminar flow hoods provide ultraviolet light, which presents a hazard to what part of the body
✔Correct Answer-eyes
The laboratory assistant should dispose of the needle upon completion of a venipuncture by
✔Correct Answer-Placing the uncapped needle and plastic holder in a rigid biohazard container
Volume of the fixing fluid should be approximately ✔Correct Answer-10-20 times the volume of
the specimen
Water, alcohol,mineral oil, xylene, glycerene. Which is a resin mountable soluble ✔Correct Answer-
xylene
Autopsy ✔Correct Answer-Removal of tissue from a dead body
Decalcification should be done when ✔Correct Answer-After fixation
Cytology smears that are prepared for mailing to a reference laboratory should be ✔Correct
Answer-fixed with a spray coating
At what temperature is campylobacter agar incubated ✔Correct Answer-42°C
,What solution in the Gram's staining acts as a mordant to bind the stain to the bacteria ✔Correct
Answer-Gram's iodine
What is the purpose of transport medium that is used in the shipment of microbiology specimen
✔Correct Answer-Sustain bacterial growth
CO2 incubator, bacticinerator, glove box, two of these, gas pack which would not create
anaeroberosis ✔Correct Answer-two of these
How should commercially prepared culture plates be stored ✔Correct Answer-Inverted to prevent
condensation from dropping onto the media,
What is most likely found in combination with a high serum creatinine result ✔Correct Answer-
High urea
What is the anticoagulant of choice for blood gas studies ✔Correct Answer-Lithium heparin
LD50 is a measure of ✔Correct Answer-toxicity
What should normally be present in urine ✔Correct Answer-urea
How much serum would a 10 ml vacutainer yield ✔Correct Answer-4-5 ml
eosinophil, lymphocytes, basophil, reticulocytes, monocytes, which is not a type of WBC's
✔Correct Answer-reticulocytes
new methylane blue, romanowsky stain, wright's stain, gram's stain, zieht-neelson, which is a supra
vital stain ✔Correct Answer-new methylane blue
fibrinogen, electrolytes, INR, ESR, glucose, which of these tests can be taken using the EDTA
vacutainer tube ✔Correct Answer-ESR
Leukocytosis ✔Correct Answer-an abnormal increase in the number of white blood cells
when making a blood smear, you find it too thick,this may be caused by ✔Correct Answer-too large
a drop
What is the appropriate volume of blood to collect from a blood donor ✔Correct Answer-450 ml
What substance(s) is/are necessary for hemoglobin synthesis ✔Correct Answer-vitamin B12,
protein, iron
What temperature range is required to maintain packed red blood cells and whole blood donor units
during shipping ✔Correct Answer-1-6°C
Bone marrow produces ✔Correct Answer-RBC's, WBC's, platelets
The Rh factor is an antigen that is found where ✔Correct Answer-RBC's of people who are Rh
positive
How many leads are in the routine ECG ✔Correct Answer-12
, A heart rate of 54 bpm is referred to ✔Correct Answer-bradycardia
Which electrodes are used for lead #2 ✔Correct Answer-RA and LL
An ECG is normally run at which sensitivity ✔Correct Answer-one
electrocardiograph ✔Correct Answer-instrument used to record the hearts electricity activity
Testing to detect a bleeding gastric ulcer would include:
barium swallow and fecal fats
barium enema and occult blood
barium swallow and occult blood
barium enema and fecal fats ✔Correct Answer-barium swallow and occult blood
Procedures such as grinding, mixing, vortexing, and preparing smears:
are a spill hazard and should be done over an absorbant mat
are routine and can be performed as long as you are gloved and gowned
create aerosoles and should be performed in a biosafety cabinet
create droplets and should be performed at least 3 feet away from other personnel ✔Correct
Answer-create aerosoles and should be performed in a biosafety cabinet
Class III biosafety cabinets:
are often referred to as laminar flow hoods
are completely enclosed and have attached gloves for workers to manipulate items in the cabinet
sterilize the air within the cabinet as it passes over the items
protect the environment by filtering the air as it is exhausted from the cabinet ✔Correct Answer-
are completely enclosed and have attached gloves for workers to manipulate items in the cabinet
Risk Level 4 agents:
require the use of maximum containment facilities
include Mycobacterium tuberculosis, M. gordonae, and Brucella
require standard good laboratory safety precautions
are organisms that are common agents of infectious disease ✔Correct Answer-requires the use of
maximum containment facilities
Where do strict aerobes grow in thioglycolate broth ?
at the bottom
at the top
in the middle
throughout the broth ✔Correct Answer-at the top
he nucleus of a lymphocyte is acidic and will stain with which component of the Wright or Wright-
Giemsa stain?
methylene blue
hematoxylin
eosin
safranin ✔Correct Answer-methylene blue
the patient has hyperkalemia and hyponatrimia, which of the following would correspond
Patient has a high potassium level and a low sodium level
Correct & 100% Verified Answers |Latest Version |
Already Graded A+
Misidentifying the patient, which can lead to confusion of patients' samples and possible a wrong
diagnosis and perhaps death, is considered ✔Correct Answer-Negligence
You are taking blood from a patient to do a glucose level, he asks if you think he might have diabetes
mellitus, your best response is ✔Correct Answer-Tell him that he should discuss this with his
doctor, as he is better able to answer his questions.
The breakdown of blood cells ✔Correct Answer-hemolysis
The shape of a normal red blood cell ✔Correct Answer-biconcave disk
jaundice ✔Correct Answer-A yellow colouring of the skin due to liver dosorders
myocardial infarct ✔Correct Answer-An area of the heart tissue that dies
supine position ✔Correct Answer-lying face up on their back
mitosis ✔Correct Answer-Division of cells
isulin ✔Correct Answer-Produced by the islets of langerams, The hormone which regulates glucose
levels in the body, Produced by the pancreas
Aorta ✔Correct Answer-Large artery that caries blood to the body from the left side of the heart
30° Celsius in Fahrenheit ✔Correct Answer-86°f
in a quality control chart what percentage of the results will be outside the range of +/- 1 SD
✔Correct Answer-32%
Meter, decimeter, micrometer, millimeter, manometer, which is the smallest ✔Correct Answer-
nanometer
A serum is diluted 1/2 the result given by the glucometer reads 8 mmol/l. what is the result reported
✔Correct Answer-16 mmol/l
what percentage of values falls within +/-2 SD of a mean in a normal Gaussian distribution
✔Correct Answer-95.0%
Urine samples for culture should be in ✔Correct Answer-Sterile containers
When you have a STAT request you should perform the test ✔Correct Answer-Immediately
The source of the specimen should be written on the swab to ✔Correct Answer-Determine the
type of testing done on the specimen
,FOB test detects ✔Correct Answer-Blood
The most important thing on a specimen label ✔Correct Answer-Patient's name and accession
number
Laboratory staff who package and prepare specimens for transport to a referral laboratory must be
trained and certified under which legislation ✔Correct Answer-Transportation of dangerous goods
act
Serum, radiation, blood, sputum, tissue. which is not a biological hazard. ✔Correct Answer-
Radiation
What's the acceptable method for needle disposal ✔Correct Answer-Discard whole needle without
recapping into puncture proof container
Specimen for transport through Canada Post is ✔Correct Answer-not acceptable
Checking labels for expiration dates, adding water to acid, preparing reagents under a fume hood,
wearing goggles ad recommended safety precautions. which one is not acceptable when mixing
chemicals ✔Correct Answer-Adding water to acid
Standard temperature for a water bath ✔Correct Answer-35-37° C
decontamination of the centrifuge is done ✔Correct Answer-daily with 2% glutaraldehyde
distillation ✔Correct Answer-The process of purifying water by successively boiling then cooling to
condense water vapour
some laminar flow hoods provide ultraviolet light, which presents a hazard to what part of the body
✔Correct Answer-eyes
The laboratory assistant should dispose of the needle upon completion of a venipuncture by
✔Correct Answer-Placing the uncapped needle and plastic holder in a rigid biohazard container
Volume of the fixing fluid should be approximately ✔Correct Answer-10-20 times the volume of
the specimen
Water, alcohol,mineral oil, xylene, glycerene. Which is a resin mountable soluble ✔Correct Answer-
xylene
Autopsy ✔Correct Answer-Removal of tissue from a dead body
Decalcification should be done when ✔Correct Answer-After fixation
Cytology smears that are prepared for mailing to a reference laboratory should be ✔Correct
Answer-fixed with a spray coating
At what temperature is campylobacter agar incubated ✔Correct Answer-42°C
,What solution in the Gram's staining acts as a mordant to bind the stain to the bacteria ✔Correct
Answer-Gram's iodine
What is the purpose of transport medium that is used in the shipment of microbiology specimen
✔Correct Answer-Sustain bacterial growth
CO2 incubator, bacticinerator, glove box, two of these, gas pack which would not create
anaeroberosis ✔Correct Answer-two of these
How should commercially prepared culture plates be stored ✔Correct Answer-Inverted to prevent
condensation from dropping onto the media,
What is most likely found in combination with a high serum creatinine result ✔Correct Answer-
High urea
What is the anticoagulant of choice for blood gas studies ✔Correct Answer-Lithium heparin
LD50 is a measure of ✔Correct Answer-toxicity
What should normally be present in urine ✔Correct Answer-urea
How much serum would a 10 ml vacutainer yield ✔Correct Answer-4-5 ml
eosinophil, lymphocytes, basophil, reticulocytes, monocytes, which is not a type of WBC's
✔Correct Answer-reticulocytes
new methylane blue, romanowsky stain, wright's stain, gram's stain, zieht-neelson, which is a supra
vital stain ✔Correct Answer-new methylane blue
fibrinogen, electrolytes, INR, ESR, glucose, which of these tests can be taken using the EDTA
vacutainer tube ✔Correct Answer-ESR
Leukocytosis ✔Correct Answer-an abnormal increase in the number of white blood cells
when making a blood smear, you find it too thick,this may be caused by ✔Correct Answer-too large
a drop
What is the appropriate volume of blood to collect from a blood donor ✔Correct Answer-450 ml
What substance(s) is/are necessary for hemoglobin synthesis ✔Correct Answer-vitamin B12,
protein, iron
What temperature range is required to maintain packed red blood cells and whole blood donor units
during shipping ✔Correct Answer-1-6°C
Bone marrow produces ✔Correct Answer-RBC's, WBC's, platelets
The Rh factor is an antigen that is found where ✔Correct Answer-RBC's of people who are Rh
positive
How many leads are in the routine ECG ✔Correct Answer-12
, A heart rate of 54 bpm is referred to ✔Correct Answer-bradycardia
Which electrodes are used for lead #2 ✔Correct Answer-RA and LL
An ECG is normally run at which sensitivity ✔Correct Answer-one
electrocardiograph ✔Correct Answer-instrument used to record the hearts electricity activity
Testing to detect a bleeding gastric ulcer would include:
barium swallow and fecal fats
barium enema and occult blood
barium swallow and occult blood
barium enema and fecal fats ✔Correct Answer-barium swallow and occult blood
Procedures such as grinding, mixing, vortexing, and preparing smears:
are a spill hazard and should be done over an absorbant mat
are routine and can be performed as long as you are gloved and gowned
create aerosoles and should be performed in a biosafety cabinet
create droplets and should be performed at least 3 feet away from other personnel ✔Correct
Answer-create aerosoles and should be performed in a biosafety cabinet
Class III biosafety cabinets:
are often referred to as laminar flow hoods
are completely enclosed and have attached gloves for workers to manipulate items in the cabinet
sterilize the air within the cabinet as it passes over the items
protect the environment by filtering the air as it is exhausted from the cabinet ✔Correct Answer-
are completely enclosed and have attached gloves for workers to manipulate items in the cabinet
Risk Level 4 agents:
require the use of maximum containment facilities
include Mycobacterium tuberculosis, M. gordonae, and Brucella
require standard good laboratory safety precautions
are organisms that are common agents of infectious disease ✔Correct Answer-requires the use of
maximum containment facilities
Where do strict aerobes grow in thioglycolate broth ?
at the bottom
at the top
in the middle
throughout the broth ✔Correct Answer-at the top
he nucleus of a lymphocyte is acidic and will stain with which component of the Wright or Wright-
Giemsa stain?
methylene blue
hematoxylin
eosin
safranin ✔Correct Answer-methylene blue
the patient has hyperkalemia and hyponatrimia, which of the following would correspond
Patient has a high potassium level and a low sodium level
