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Medical Assistant Prep / Unit 9   MAS 202 short lesson, about 20 seconds

Cleaning Always Comes First

Captions available

The idea

Thorough cleaning must come before disinfection or sterilization.

In practice

Soil and blood left on an instrument shield germs from the disinfectant or the steam; once dried or baked on, it is harder to remove and the process may fail.

Where people slip

Rinse or presoak instruments soon after use so that blood does not dry on them.

Your place on the trail

Every lesson rests on earlier ones and opens later ones. Tap any to jump.

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