Chapter 8: Cleaning and Decontamination Review Quiz Complete the following 15 multiple choice questions.

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Question 1 of 15

1. Question
1. What is the preferred pH for detergents used for most cleaning processes?
- a. Low pH
- b. High pH
- c. Neutral pH
- d. It depends on the water temperature and exposure time
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Question 2 of 15

2. Question
2. Which of the following statements about the use of mechanical washers is NOT true?
- a. Multi-level trays should be separated
- b. Trays with lids should be opened
- c. Instruments should be disassembled and opened
- d. All items should be washed on the same cycle
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Question 3 of 15

3. Question
3. Water must be degassed each time the ultrasonic cleaner’s tank is changed, because
- a. excess bubbles from filling reduce the energy of the cavitation process.
- b. excess bubbles reduce the effectiveness of the detergent.
- c. excess bubbles decrease the temperature of the tank.
- d. excess bubbles make it difficult to see items being cleaned.
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Question 4 of 15

4. Question
4. Written cleaning instructions for surgical instruments should be provided by
- a. the mechanical washer manufacturer.
- b. the device manufacturer.
- c. the detergent manufacturer.
- d. the healthcare facility.
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Question 5 of 15

5. Question
5. Pyrogens __________
- a. are fever-producing substances.
- b. are microorganisms that have survived sterilization.
- C. cause Creutzfeldt-Jakob disease.
- d. are soil particles.
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Question 6 of 15

6. Question
6. Untreated water _________
- a. increases the likelihood of mineral scale deposits.
- b. decreases the likelihood of mineral scale deposits.
- C. is recommended to be used during the detergent cycle.
- d. is used for the final rinse process.
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Question 7 of 15

7. Question
7. These are used to breakdown fatty tissue on instruments.
- a. Protease enzymes
- b. Lipase enzymes
- C. Amylase enzymes
- d. Neutral pH cleaners
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Question 8 of 15

8. Question
8. Instrument lubrication is performed
- a. immediately before use.
- b. after sterilization.
- c. after cleaning,
- d. before cleaning.
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Question 9 of 15

9. Question
9. To prevent coagulation of proteins, instruments should be pre-rinsed using
- a. cool water.
- b. warm water.
- c. a neutral detergent.
- d. a disinfectant rinse.
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Question 10 of 15

10. Question
10. Detergents used in mechanical cleaners should be
- a. low alkaline.
- b. low acid.
- c. low temperature.
- d. low foaming.
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Question 11 of 15

11. Question
11. Instruments should be cleaned using a
- a. circular motion.
- b. to and fro motion.
- c. stiff metal brush.
- d. water spray.
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Question 12 of 15

12. Question
12. Powered surgical instruments
- a. cannot be immersed.
- b. can be immersed.
- c. should be cleaned at the point of use.
- d. should be cleaned using a mechanical washer.
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Question 13 of 15

13. Question
13. The decontamination area should have ____
- a. negative air flow in relation to the other areas of the department.
- b. positive air flow in relation to the other areas of the department.
- C. 15 air exchanges per hour.
- d. positive air flow with 15 exchanges per hour.
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Question 14 of 15

14. Question
14. The temperature in the decontamination area should be between
- a. 55 to 60 degrees Fahrenheit.
- b. 58 to 62 degrees Fahrenheit.
- c. 60 to 65 degrees Fahrenheit.
- d. 65 to 70 degrees Fahrenheit.
Correct

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Question 15 of 15

15. Question
15. Rigid container filter retention plates should be
- a. removed from the container and lid and cleaned separately.
- b. manually cleaned and attached to the lid for mechanical cleaning.
- c. left attached to the lid during the cleaning process.
- d. none of the above.
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