California Registered Dental Assistant (RDA) Written Practice Exam

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How should high-level disinfectants be used?

  1. According to the CDC guidelines

  2. According to the manufacturer's directions

  3. At the discretion of the healthcare worker

  4. At a higher concentration for quicker results

The correct answer is: According to the manufacturer's directions

High-level disinfectants should be used according to the manufacturer's directions because different disinfectants may have varying instructions for use. It is important to follow the directions specifically in order to ensure proper disinfection and avoid potentially harmful effects. Option A may be a good starting point, but it is not enough as the CDC guidelines may not have detailed instructions for specific disinfectant products. Option C is not recommended as it is important to follow the specific instructions provided by the manufacturer. Option D is incorrect as using a higher concentration may actually be harmful and may not result in quicker disinfection.

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