Chapter 8: Cleaning and Decontamination Review Quiz – 2026 – Study and Practice Guide

Chapter 8: Cleaning and Decontamination Review Quiz – 2026 – Study and
Practice Guide
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 - correct answer ✔✔ Neutral pH



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 in the same cycle - correct answer ✔✔ All items should be
washed in the same cycle



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 - correct answer ✔✔ excess
bubbles from filling reduce the energy of the cavitation process



Written cleaning instructions for surgical instruments should be provided by

a. the mechanical washer manufacturer

b. the device manufacturer

c. the detergent manufacturer