MCQs
  1. Glassware used to measure 24-hour urine volumes is a:
    • a. volumetric flask
    • b. beaker
    • c. Erlenmeyer cylinder
    • d. graduated cylinder ✅
    • e. safety bulb

  2. Glassware used to make 100 ml of a 12% solution is a:
    • a. volumetric flask ✅
    • b. beaker
    • c. Erlenmeyer cylinder
    • d. graduated cylinder
    • e. safety bulb

  3. A suction device used to draw up liquids is a:
    • a. volumetric flask
    • b. beaker
    • c. Erlenmeyer cylinder
    • d. graduated cylinder
    • e. safety bulb ✅

  4. The pipette with a bulged-out portion in the middle is a:
    • a. Mohr pipette
    • b. pasture pipette
    • c. serological pipette
    • d. volumetric pipette ✅
    • e. micro-pipette

  5. Which piece of glassware would not give critical measurement:
    • a. volumetric flask
    • b. beaker ✅
    • c. Erlenmeyer cylinder
    • d. graduated cylinder
    • e. safety bulb

  6. The durable material used to make heat resistant glassware is:
    • a. polyethylene
    • b. soda lime
    • c. polystyrene
    • d. borosilicate ✅
    • e. polyvinyl chloride

  7. Solid crystals of potassium oxalate are added to distilled water in a container. What term would describe the potassium oxalate?:
    • a. solution
    • b. solvent
    • c. solute ✅
    • d. reagent
    • e. a & c

  8. The destruction of all micro-organisms including spores is called:
    • a. sanitation
    • b. antisepsis
    • c. sterilization ✅
    • d. disinfection
    • e. asepsis

  9. A ug is a unit to describe:
    • a. time
    • b. volume
    • c. distance
    • d. weight ✅
    • e. length

  10. A pH of 2 is _____ than a pH of 5:
    • a. 1000 times more acidic
    • b. 100 times more acidic
    • c. 2 times less acidic
    • d. 20 times less acidic
    • e. 1000 times more acidic ✅

  11. Cells in a hypertonic solution will:
    • a. swell and burst
    • b. dehydrate ✅
    • c. hemolyze
    • d. not be affected
    • e. stop mitosis

  12. The solution used to fix a pap smear is:
    • a. wright stain
    • b. hematoxylin
    • c. physiological saline
    • d. cytospray ✅
    • e. methylene blue

  13. Blood for an RBC count must be prepared from:
    • a. EDTA blood ✅
    • b. citrated blood
    • c. heparinized blood
    • d. oxalated blood
    • e. clotted blood

  14. Which reagent is not routinely used to preserve tissue in a life-like manner:
    • a. formic acid ✅
    • b. Zenker’s fluid
    • c. 40% formaldehyde dissolved in water
    • d. Bouin’s fluid
    • e. 10% formalin

  15. Which piece of histology equipment is not temperature dependent:
    • a. wax
    • b. tissue processor
    • c. microtome ✅
    • d. embedding center
    • e. water bath

  16. A biopsy is:
    • a. a removal of biological fluid
    • b. the removal of an organ
    • c. a post mortem examination
    • d. excision of a representative tissue sample ✅
    • e. a collection of blood

  17. During tissue processing, what is the correct sequence of steps:
    • a. clearing, dehydration, infiltration
    • b. clearing, infiltration, dehydration
    • c. dehydration, infiltration, clearing
    • d. dehydration, clearing, infiltration ✅
    • e. embedding, sectioning, staining

  18. Fixation is important in tissue processing because it:
    • a. prevents cell morphology changes and shrinkage
    • b. allows tissue to be examined in a life-like condition
    • c. facilitates the staining process
    • d. a & c
    • e. a, b, & c ✅

  19. The liquid portion of blood remaining after a clot has formed is called:
    • a. the buffy coat
    • b. serum ✅
    • c. plasma
    • d. lymph
    • e. tissue fluid

  20. Which test could not be performed on a serum sample:
    • a. iron
    • b. vitamin B12
    • c. total lipids
    • d. clotting factors ✅
    • e. potassium

  21. The shape of a normal erythrocyte is described as:
    • a. biconcave disc ✅
    • b. spherocyte
    • c. polymorphonucleocyte
    • d. thin column
    • e. bull’s eye

  22. Glucose results are correctly reported in:
    • a. g/mmol
    • b. mmol/L ✅
    • c. g/L
    • d. g/ml
    • e. g/dl

  23. If a patient refuses to have a venipuncture done you should:
    • a. tear up the requisition
    • b. collect a urine sample
    • c. politely ask a patient to come back next week
    • d. restrain the patient and proceed with the venipuncture
    • e. notify the patient’s physician ✅

  24. Which statement is false when performing a venipuncture:
    • a. the vein is entered at a 15-20 degree angle
    • b. the tubes are pushed onto the needle with the thumb of the strongest hand
    • c. the bevel of the needle is pointed up when entering the vein
    • d. the tourniquet is removed before withdrawing the needle
    • e. the patient’s arm is cleansed before palpating the vein

  25. A biohazardous container is used to discard:
    • a. lancets
    • b. needles
    • c. band-aid wrappers
    • d. a & b ✅
    • e. a, b & c
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