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Answers to Practice Test

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Answers to Practice Test

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  • September 11, 2021
  • 26
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers

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By: samiraaden22 • 5 months ago

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Finals practice Test Answers

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

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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