Which is the proper order of the steps involved in cleaning instruments after they are used?
a. Washer-sterilizer, manual cleaning, sterilization
b. Precleaning, washer-sterilizer, sterilization
c. Disinfection, manual cleaning, washer-sterilizer
d. Manual cleaning, sterilization, rinsing
ANS: B
Precleaning occurs first to remove gross blood or debris. The washer-sterilizer is used next after bioburden is removed; sterilization needs to occur next to prepare the instruments for their next use.
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