Free Esthetics theory Practice Test (89 Questions)

A spa owner wants proof that the autoclave is actually killing microorganisms, not only reaching its set temperature. Which monitoring method gives that evidence?

• AA thermometer placed on the counter next to the unit, read at the end of each cycle to confirm heat
• BA visual check that the implements look clean, dry, and free of spots
• CA pH strip dipped into the reservoir water after each cycle ends
• DA biological indicator with bacterial spores, checked for growth after the cycle

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