OSMT Test Prep Questions with All
Correct Answers
When you have an aggressive patient you should: - Answer-Control you voice tone and
speak calmly
A 1/8 dilution of urine is: - Answer-7 parts water and 1 part urine
Which sample needs an anticoagulant? - Answer-Pleural fluid
Before performing the macroscopic portion of the R & M on a urine specimen, it must
be: - Answer-Brought to room temperature
Well mixed
Blood samples in SST tubes are usually centrifuged: - Answer-After complete clotting
Blood clots are generally stored: - Answer-In the refrigerator
A backup test to confirm a positive protein in urine would be: - Answer-SSA test
TCA test
A pH of 6.4 is? - Answer-Slightly acidic
A quantitative result is indicated by: - Answer-S.G. 1.025
Which one of these tests should have a correct measured volume? - Answer-24 hour
urine
An autoclave works on the principle of: - Answer-Steam under pressure
Room temperature is: - Answer-20 to 25 degrees C
Which factor may cause a blood smear to be too thick? - Answer-The drop of blood is
too large
The test which determines the oxygen-carrying capacity of red blood cells is: - Answer-
Hb
A dilute urine specimen would be expected to: - Answer-Be pale yellow in colour
What is the normal appearance of a seminal fluid? - Answer-White and viscous
,What is the appropriate laboratory department for the most common test C&S: -
Answer-Microbiology
What is the appropriate laboratory department for tests performed using EDTA Tubes: -
Answer-Hematology
What is the department used for INR tests? - Answer-Hematology
What department deals with microscopic examination of prepared tissue? - Answer-
Histology
R&M is performed in which department? - Answer-Clinical Chemistry
What department deals with a common O&P test? - Answer-Microbiology
Reticulocytes are counted in which department? - Answer-Hematology
Hormone assays are done in which department? - Answer-Clinical Chemistry
The main use of a buffer is to: - Answer-Minimize changes in pH
A neutrophil which has phagocytosed a homogenous nucleus derive form a cell which
has been attacked is: - Answer-An LE cell
The test that determines the number of nucleated red blood cells is: - Answer-
Reticulocyte count
Which test does not give information about a patient's coagulation mechanism? -
Answer-MCHC
Blood for red cell folate would generally be collected in 2 vacuum tubes with a
________________________. - Answer-Lavender stopper
The name used to describe the liquid part of the blood containing the clotting factor
fibrinogen is: - Answer-Plasma
A plasma protein involved in coagulation is: - Answer-Fibrinogen
A 1 in 12 dilution of blood for a procedure a required for a procedure. How is it
prepared? - Answer-Add 1 part blood to 11 parts diluent
Which of the following is the best example of homeostasis? - Answer-Regulation and
body temperature
The concentration of physiological saline is? - Answer-0.85%
,Which of the following pipettes is the most accurate? - Answer-Volumetric pipette
Hypersecretion of insulin would result in? - Answer-Hypoglycemia
Deoxygenated blood is pumped into the? - Answer-Pulmonary circulation
The semi-lunar valves: - Answer-Guard the bases of the two large arterise leaving the
ventricles and are known as the pulmonary and aortic semilunar valves.
After pulmonary circulation, the blood is received by? - Answer-Left atrium
When you have a STAT request you should perform the test: - Answer-Immediately
If you use a to contain" pipette, you should? - Answer-Rinse it to make sure all of the
content is delivered
The valve located between the right atrium and the right ventricle is the? - Answer-Mitral
valve
The electrical conductivity of distilled or deionized water is? - Answer-Low
In order to deliver the total volume form the pipette which has a frosted ring near the
colour code, you will? - Answer-Blow out the last drop
Which sample should be processed as STAT first? - Answer-Blood gas
Which of the following is not a cardiac enzyme? - Answer-Alkaline phosphatase
VMA is used to test for? (24hr urine-breakdown) - Answer-Epinephrine metabolism
Which of the following has valves? - Answer-Veins
The specimen commonly used for 17-ketosteroids is? (male hormone steroids) -
Answer-24-hour urine
For an accurate cholesterol test the patient should? - Answer--Fast overnight
-Follow a normal diet 1 week before the test
-Be restricted from alcohol for 24 hours prior to the test
-Be restricted from lipid lowering drugs
CPK can be found in? - Answer-The brain
The muscles
The heart
Xylose tolerance test is primarily tested for? - Answer-Absorption ability of the small
intestine
, Which of the following could not be considered as a source of error in micro-hematocrit
tests? - Answer-Not Haemolysed specimen
Not Hemoconcentrated specimen
Not Overfilling the capillary tube
Not Overfilling the vacuum tube
What is the right answer?
The normal life span of the erythrocyte is? - Answer-120 days
Leaving the urine for prolonged time will increase? - Answer-Bacteria
Hemoconcentration can be caused by? - Answer-Tourniquet which is left on the patient
too long
Whole blood is defribrinated by? - Answer-Glass beads
The basic dye in Romanowsky staining is? - Answer-Methylene blue
Supravital stain is used for? - Answer-Reticulocyte count
Which of the following does not have a nucleus? - Answer-RBC count
Platelet
Which of the following tests are not part of a CBC profile? - Answer-Not Leukocyte
count
Not Hb estimation
Not Differential cell count
Not RBC count
The counting chamber used for the RBC count is the? - Answer-Hemocytometer
The pH of blood is? - Answer-Slightly alkaline
The anticoagulant used in a CBC profile is? - Answer-EDTA
Which of the following should not be considered as a source of error in an ESR? -
Answer-Using blood form an EDTA tube
A decrease in the size of the erythrocyte is known as? - Answer-Microcytosis
Which of the following anticoagulant does not react with calcium to prevent clotting? -
Answer-Heparin
When blood clots, the fluid that remains after separation of the clot is called? - Answer-
Serum
Correct Answers
When you have an aggressive patient you should: - Answer-Control you voice tone and
speak calmly
A 1/8 dilution of urine is: - Answer-7 parts water and 1 part urine
Which sample needs an anticoagulant? - Answer-Pleural fluid
Before performing the macroscopic portion of the R & M on a urine specimen, it must
be: - Answer-Brought to room temperature
Well mixed
Blood samples in SST tubes are usually centrifuged: - Answer-After complete clotting
Blood clots are generally stored: - Answer-In the refrigerator
A backup test to confirm a positive protein in urine would be: - Answer-SSA test
TCA test
A pH of 6.4 is? - Answer-Slightly acidic
A quantitative result is indicated by: - Answer-S.G. 1.025
Which one of these tests should have a correct measured volume? - Answer-24 hour
urine
An autoclave works on the principle of: - Answer-Steam under pressure
Room temperature is: - Answer-20 to 25 degrees C
Which factor may cause a blood smear to be too thick? - Answer-The drop of blood is
too large
The test which determines the oxygen-carrying capacity of red blood cells is: - Answer-
Hb
A dilute urine specimen would be expected to: - Answer-Be pale yellow in colour
What is the normal appearance of a seminal fluid? - Answer-White and viscous
,What is the appropriate laboratory department for the most common test C&S: -
Answer-Microbiology
What is the appropriate laboratory department for tests performed using EDTA Tubes: -
Answer-Hematology
What is the department used for INR tests? - Answer-Hematology
What department deals with microscopic examination of prepared tissue? - Answer-
Histology
R&M is performed in which department? - Answer-Clinical Chemistry
What department deals with a common O&P test? - Answer-Microbiology
Reticulocytes are counted in which department? - Answer-Hematology
Hormone assays are done in which department? - Answer-Clinical Chemistry
The main use of a buffer is to: - Answer-Minimize changes in pH
A neutrophil which has phagocytosed a homogenous nucleus derive form a cell which
has been attacked is: - Answer-An LE cell
The test that determines the number of nucleated red blood cells is: - Answer-
Reticulocyte count
Which test does not give information about a patient's coagulation mechanism? -
Answer-MCHC
Blood for red cell folate would generally be collected in 2 vacuum tubes with a
________________________. - Answer-Lavender stopper
The name used to describe the liquid part of the blood containing the clotting factor
fibrinogen is: - Answer-Plasma
A plasma protein involved in coagulation is: - Answer-Fibrinogen
A 1 in 12 dilution of blood for a procedure a required for a procedure. How is it
prepared? - Answer-Add 1 part blood to 11 parts diluent
Which of the following is the best example of homeostasis? - Answer-Regulation and
body temperature
The concentration of physiological saline is? - Answer-0.85%
,Which of the following pipettes is the most accurate? - Answer-Volumetric pipette
Hypersecretion of insulin would result in? - Answer-Hypoglycemia
Deoxygenated blood is pumped into the? - Answer-Pulmonary circulation
The semi-lunar valves: - Answer-Guard the bases of the two large arterise leaving the
ventricles and are known as the pulmonary and aortic semilunar valves.
After pulmonary circulation, the blood is received by? - Answer-Left atrium
When you have a STAT request you should perform the test: - Answer-Immediately
If you use a to contain" pipette, you should? - Answer-Rinse it to make sure all of the
content is delivered
The valve located between the right atrium and the right ventricle is the? - Answer-Mitral
valve
The electrical conductivity of distilled or deionized water is? - Answer-Low
In order to deliver the total volume form the pipette which has a frosted ring near the
colour code, you will? - Answer-Blow out the last drop
Which sample should be processed as STAT first? - Answer-Blood gas
Which of the following is not a cardiac enzyme? - Answer-Alkaline phosphatase
VMA is used to test for? (24hr urine-breakdown) - Answer-Epinephrine metabolism
Which of the following has valves? - Answer-Veins
The specimen commonly used for 17-ketosteroids is? (male hormone steroids) -
Answer-24-hour urine
For an accurate cholesterol test the patient should? - Answer--Fast overnight
-Follow a normal diet 1 week before the test
-Be restricted from alcohol for 24 hours prior to the test
-Be restricted from lipid lowering drugs
CPK can be found in? - Answer-The brain
The muscles
The heart
Xylose tolerance test is primarily tested for? - Answer-Absorption ability of the small
intestine
, Which of the following could not be considered as a source of error in micro-hematocrit
tests? - Answer-Not Haemolysed specimen
Not Hemoconcentrated specimen
Not Overfilling the capillary tube
Not Overfilling the vacuum tube
What is the right answer?
The normal life span of the erythrocyte is? - Answer-120 days
Leaving the urine for prolonged time will increase? - Answer-Bacteria
Hemoconcentration can be caused by? - Answer-Tourniquet which is left on the patient
too long
Whole blood is defribrinated by? - Answer-Glass beads
The basic dye in Romanowsky staining is? - Answer-Methylene blue
Supravital stain is used for? - Answer-Reticulocyte count
Which of the following does not have a nucleus? - Answer-RBC count
Platelet
Which of the following tests are not part of a CBC profile? - Answer-Not Leukocyte
count
Not Hb estimation
Not Differential cell count
Not RBC count
The counting chamber used for the RBC count is the? - Answer-Hemocytometer
The pH of blood is? - Answer-Slightly alkaline
The anticoagulant used in a CBC profile is? - Answer-EDTA
Which of the following should not be considered as a source of error in an ESR? -
Answer-Using blood form an EDTA tube
A decrease in the size of the erythrocyte is known as? - Answer-Microcytosis
Which of the following anticoagulant does not react with calcium to prevent clotting? -
Answer-Heparin
When blood clots, the fluid that remains after separation of the clot is called? - Answer-
Serum
