Ace the California RDA Written Exam 2026 – Drill, Fill, and Thrill Your Way to Success!

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What type of cleaning machine is used to clean contaminated instruments prior to sterilization?

Dishwasher

Washing machine

Ultrasonic

Ultrasonic cleaners use high frequency sound waves to create small bubbles that scrub and remove dirt, debris, and stains from contaminated instruments. Unlike dishwashers and washing machines, ultrasonic cleaners use specialized cleaning solutions and can reach small crevices and creases, making them more effective for cleaning medical instruments. Steam cleaners, while also effective for sterilization, do not have the same cleaning mechanism as ultrasonic cleaners.

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Steam cleaner

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