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- Medical Laboratory Science
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- Medical Laboratory Science
Answers to Practice Test
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By: samiraaden22 • 3 months ago
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Finals practice Test Answers1. Glassware used to measure 24-hour urine volumes is a:
a. volumetric flask
b. beaker
c. Erlenmeyer cylinder
d. graduated cylinder
e. safety bulb
Answer: d) graduated cylinder
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
Answer: a) volumetric flash
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
Answer: 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
Answer: d) volumetric 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
Answer: b) beaker
6. The durable material used to make heat resistant glassware is:
a. polyethylene
b. soda lime
c. polystyrene
d. borosilicate
e. polyvinyl chloride
Answer: d) borosilicate
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
Answer: c) solute
8. The destruction of all micro-organisms including spores is called:
a. sanitation
b. antisepsis
c. sterilization
d. disinfection
e. asepsis
, Answer: c) sterilization
9. A ug is a unit to describe:
a. time
b. volume
c. distance
d. weight
e. length
Answer: d) weight
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
Answer: 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
Answer: b) dehydrate
12. The solution used to fix a pap smear is:
a. wright stain
b. hematoxylin
c. physiological saline
d. cytospray
e. methylene blue
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