Practice Quiz

CNOR Operating Room Nursing

Category - Disinfection

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Which of the following should be considered when using a washer-disinfector machine to decontaminate instruments with gross blood and debris on them?
  1. Gross blood or debris should be hand-washed first before using the washer-disinfector.
  2. The washer-disinfector will need an initial cycle of cold water to prevent blood from sticking to the instruments.
  3. The washer-disinfector does not require a hand-washing phase before use.
  4. The washer-disinfector must have water and detergent changes several times throughout the cycle in order to be fully effective.
Explanation
Answer: C-The washer-disinfector does not require a hand-washing phase before use. This type of decontamination machine uses higher levels of pH with a small amount of agitation to remove excess blood or debris from instruments. This saves time for the nurse who must normally hand-wash grossly soiled instruments. This type of machine effectively cleans instruments in preparation for terminal processing.
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