MLPAO Exam Practise Study Questions with Correct Answers Glassware used to measure 24-hour urine volumes is a: - Correct Answer graduated cylinder 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 _____ 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
Blood for an RBC count must be prepared from: - Correct Answer EDTA blood
Which reagent is not routinely used to preserve tissue in a life-like manner: - Correct Answer 10% formalin 1 / 4
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 Which statement is false when performing a venipuncture: - Correct Answer the patient's arm is 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 2 / 4
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
Latex gloves protect the lab employee from: - Correct Answer ) body fluids
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 3 / 4
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
Separated serum that is dark yellow to amber in color is termed: - Correct Answer Icteric Which factor would interfere with the growth of a pathogen: - Correct Answer An Acidic pH A specimen is: - Correct Answer A small sample taken to represent the whole organism or system The purpose of heat fixing a bacterial smear is to: - Correct Answer Prevent cells from being washed off during staining The site of a specimen must be written on a swab container: - Correct Answer To determine selection of suitable agar and atmospheric requirements
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