MLPAO Exam Questions 2024 <\/p>\n\n\n\n
Glassware used to measure 24-hour urine volumes is a: – correct answer graduated cylinder Blood for an RBC count must be prepared from: – correct answer EDTA blood Which statement is false when performing a venipuncture: – correct answer the patient’s arm is Latex gloves protect the lab employee from: – correct answer ) body fluids
Glassware used to make 100 ml of a 12% solution is a: – correct answer volumetric flash
A suction device used to draw up liquids is a: – correct answer safety bulb
The pipette with a bulged-out portion in the middle is a: – correct answer volumetric pipette
Which piece of glassware would not give critical measurement: – correct answer beaker
The durable material used to make heat resistant glassware is: – correct answer borosilicate
Solid crystals of potassium oxalate are added to distilled water in a container. What term would describe
the potassium oxalate? – correct answer solute
The destruction of all micro-organisms including spores is called: – correct answer sterilization
A ug is a unit to describe: – correct answer weight
A pH of 2 is _<\/strong> than a pH of 5: – correct answer 1000 times more acidic
Cells in a hypertonic solution will: – correct answer dehydrate
The solution used to fix a pap smear is: – correct answer cytospray<\/p>\n\n\n\n
Which reagent is not routinely used to preserve tissue in a life-like manner: – correct answer 10%
formalin
Which piece of histology equipment is not temperature dependent: – correct answer microtome
. A biopsy is: – correct answer excision of a representative tissue sample
During tissue processing, what is the correct sequence of steps: – correct answer dehydration, clearing,
infiltration
Fixation is important in tissue processing because it: – correct answer -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: – correct answer serum
Which test could not be performed on a serum sample: – correct answer clotting factors
. The shape of a normal erythrocyte is described as: – correct answer biconcave disk
Glucose results are correctly reported in: – correct answer mmol\/L
If a patient refuses to have a venipuncture done you should: – correct answer notify the patients
physician<\/p>\n\n\n\n
cleansed before palpating the vein
A biohazardous container is used to discard: – correct answer -lancets
-needled
Which needle gauge corresponds with the smallest needle size: – correct answer 23
The vacutainer tube which is used to collect and separate serum is the: – correct answer SST
If a lavender top, plain red top, grey top, and light blue top tubes are collected,
what is the order of draw: – correct answer plain red top, light blue, lavender, grey
The tourniquet is: – correct answer used to increase venous fill
If a patient faints during a venipuncture, you should: – correct answer remove the needle and attend to
the patient
What vein\/veins is not used to obtain a venous blood sample: – correct answer femoral vein
A blood specimen collected in a heparinized tube is centrifuged. It will separate into: – correct answer
plasma, buffy coat, RBC
Hemolysis may result from: – correct answer -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: – correct answer erythrocyte sedimentation rate<\/p>\n\n\n\n
Which statement is false when setting up an ESR: – correct answer it should be set up near a centrifuge
What is the normal temperature of a laboratory refrigerator: – correct answer 3 C
The purpose of doing a differential is to: – correct answer determine the proportions of WBC’s in whole
blood
Blood samples for cell counts must be thoroughly mixed immediately before testing to: – correct answer
ensure even distribution of all blood components
An automated hematology cell count uses the principle of: – correct answer changes in cell electrical
currents
The maximum depth to perform a heel puncture on a newborn is: – correct answer 2.4 mm
The first drop of blood is wiped away after performing a skin puncture to: – correct answer remove the
last traces of alcohol & remove any excess tissue fluid
What areas on an infant are suitable for skin puncture: – correct answer The lateral, flat portion of the
heel
What laboratory department studies antigen-antibody reaction: – correct answer Immunology
What tube would be drawn for ANA: – correct answer SST
A disinfectant used on metal surface is: – correct answer 2% glutaraldehyde
What tube would be collected for a cross-match: – correct answer Plain Red Top<\/p>\n\n\n\n