MLPAO Exam Practise Questions and
Answers Updated 2024/2025| Complete
Verified Solution100%
Glassware used to measure 24-hour urine volumes is a:
graduated cylinder
Glassware used to make 100 ml of a 12% solution is a:
volumetric flash
A suction device used to draw up liquids is a:
safety bulb
The pipette with a bulged-out portion in the middle is a:
volumetric pipette
Which piece of glassware would not give critical measurement:
beaker
The durable material used to make heat resistant glassware is:
borosilicate
Solid crystals of potassium oxalate are added to distilled water in a container.
What term would describe the potassium oxalate?
solute
The destruction of all micro-organisms including spores is called:
sterilization
A ug is a unit to describe:
weight
A pH of 2 is _____ than a pH of 5:
1000 times more acidic
Cells in a hypertonic solution will:
,dehydrate
The solution used to fix a pap smear is:
cytospray
Blood for an RBC count must be prepared from:
EDTA blood
Which reagent is not routinely used to preserve tissue in a life-like manner:
10% formalin
Which piece of histology equipment is not temperature dependent:
microtome
. A biopsy is:
excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps:
dehydration, clearing, infiltration
Fixation is important in tissue processing because it:
-prevents cell morphology changes and shrinkage
-allows tissue to be examined in a life-like condition
-facilitates the staining process
The liquid portion of blood remaining after a clot has formed is called:
serum
Which test could not be performed on a serum sample:
clotting factors
. The shape of a normal erythrocyte is described as:
biconcave disk
Glucose results are correctly reported in:
mmol/L
If a patient refuses to have a venipuncture done you should:
notify the patients physician
Which statement is false when performing a venipuncture:
the patient's arm is cleansed before palpating the vein
A biohazardous container is used to discard:
,-lancets
-needled
Which needle gauge corresponds with the smallest needle size:
23
The vacutainer tube which is used to collect and separate serum is the:
SST
If a lavender top, plain red top, grey top, and light blue top tubes are collected,
what is the order of draw:
plain red top, light blue, lavender, grey
The tourniquet is:
used to increase venous fill
If a patient faints during a venipuncture, you should:
remove the needle and attend to the patient
What vein/veins is not used to obtain a venous blood sample:
femoral vein
A blood specimen collected in a heparinized tube is centrifuged. It will separate
into:
plasma, buffy coat, RBC
Hemolysis may result from:
-using a 25-gauge needle on an adult Page 8/99
-vigorously shaking the blood specimen
-refrigerating the vacutainer before use
-leaving the tourniquet on for 3 minutes
The test procedure that uses a Westergren tube is:
erythrocyte sedimentation rate
Latex gloves protect the lab employee from:
) body fluids
Which statement is false when setting up an ESR:
it should be set up near a centrifuge
What is the normal temperature of a laboratory refrigerator:
3C
, The purpose of doing a differential is to:
determine the proportions of WBC's in whole blood
Blood samples for cell counts must be thoroughly mixed immediately before
testing to:
ensure even distribution of all blood components
An automated hematology cell count uses the principle of:
changes in cell electrical currents
The maximum depth to perform a heel puncture on a newborn is:
2.4 mm
The first drop of blood is wiped away after performing a skin puncture to:
remove the last traces of alcohol & remove any excess tissue fluid
What areas on an infant are suitable for skin puncture:
The lateral, flat portion of the heel
What laboratory department studies antigen-antibody reaction:
Immunology
What tube would be drawn for ANA:
SST
A disinfectant used on metal surface is:
2% glutaraldehyde
What tube would be collected for a cross-match:
Plain Red Top
Separated serum that is dark yellow to amber in color is termed:
Icteric
Which factor would interfere with the growth of a pathogen:
An Acidic pH
A specimen is:
A small sample taken to represent the whole organism or system
The purpose of heat fixing a bacterial smear is to:
Prevent cells from being washed off during staining
The site of a specimen must be written on a swab container:
To determine selection of suitable agar and atmospheric requirements
Answers Updated 2024/2025| Complete
Verified Solution100%
Glassware used to measure 24-hour urine volumes is a:
graduated cylinder
Glassware used to make 100 ml of a 12% solution is a:
volumetric flash
A suction device used to draw up liquids is a:
safety bulb
The pipette with a bulged-out portion in the middle is a:
volumetric pipette
Which piece of glassware would not give critical measurement:
beaker
The durable material used to make heat resistant glassware is:
borosilicate
Solid crystals of potassium oxalate are added to distilled water in a container.
What term would describe the potassium oxalate?
solute
The destruction of all micro-organisms including spores is called:
sterilization
A ug is a unit to describe:
weight
A pH of 2 is _____ than a pH of 5:
1000 times more acidic
Cells in a hypertonic solution will:
,dehydrate
The solution used to fix a pap smear is:
cytospray
Blood for an RBC count must be prepared from:
EDTA blood
Which reagent is not routinely used to preserve tissue in a life-like manner:
10% formalin
Which piece of histology equipment is not temperature dependent:
microtome
. A biopsy is:
excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps:
dehydration, clearing, infiltration
Fixation is important in tissue processing because it:
-prevents cell morphology changes and shrinkage
-allows tissue to be examined in a life-like condition
-facilitates the staining process
The liquid portion of blood remaining after a clot has formed is called:
serum
Which test could not be performed on a serum sample:
clotting factors
. The shape of a normal erythrocyte is described as:
biconcave disk
Glucose results are correctly reported in:
mmol/L
If a patient refuses to have a venipuncture done you should:
notify the patients physician
Which statement is false when performing a venipuncture:
the patient's arm is cleansed before palpating the vein
A biohazardous container is used to discard:
,-lancets
-needled
Which needle gauge corresponds with the smallest needle size:
23
The vacutainer tube which is used to collect and separate serum is the:
SST
If a lavender top, plain red top, grey top, and light blue top tubes are collected,
what is the order of draw:
plain red top, light blue, lavender, grey
The tourniquet is:
used to increase venous fill
If a patient faints during a venipuncture, you should:
remove the needle and attend to the patient
What vein/veins is not used to obtain a venous blood sample:
femoral vein
A blood specimen collected in a heparinized tube is centrifuged. It will separate
into:
plasma, buffy coat, RBC
Hemolysis may result from:
-using a 25-gauge needle on an adult Page 8/99
-vigorously shaking the blood specimen
-refrigerating the vacutainer before use
-leaving the tourniquet on for 3 minutes
The test procedure that uses a Westergren tube is:
erythrocyte sedimentation rate
Latex gloves protect the lab employee from:
) body fluids
Which statement is false when setting up an ESR:
it should be set up near a centrifuge
What is the normal temperature of a laboratory refrigerator:
3C
, The purpose of doing a differential is to:
determine the proportions of WBC's in whole blood
Blood samples for cell counts must be thoroughly mixed immediately before
testing to:
ensure even distribution of all blood components
An automated hematology cell count uses the principle of:
changes in cell electrical currents
The maximum depth to perform a heel puncture on a newborn is:
2.4 mm
The first drop of blood is wiped away after performing a skin puncture to:
remove the last traces of alcohol & remove any excess tissue fluid
What areas on an infant are suitable for skin puncture:
The lateral, flat portion of the heel
What laboratory department studies antigen-antibody reaction:
Immunology
What tube would be drawn for ANA:
SST
A disinfectant used on metal surface is:
2% glutaraldehyde
What tube would be collected for a cross-match:
Plain Red Top
Separated serum that is dark yellow to amber in color is termed:
Icteric
Which factor would interfere with the growth of a pathogen:
An Acidic pH
A specimen is:
A small sample taken to represent the whole organism or system
The purpose of heat fixing a bacterial smear is to:
Prevent cells from being washed off during staining
The site of a specimen must be written on a swab container:
To determine selection of suitable agar and atmospheric requirements
