California Registered Dental Assistant (RDA) Written Practice Exam

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Instrument cassettes should be wrapped?

  1. Before cleaning and after sterilization

  2. After cleaning and before sterilization

  3. Without cleaning

  4. Immediately after use

The correct answer is: After cleaning and before sterilization

Wrapping instrument cassettes helps to maintain sterility and keep instruments clean during storage. Option A is incorrect because it does not mention wrapping the cassettes after cleaning. Option C is incorrect because it suggests not cleaning the cassettes at all. Option D is incorrect because wrapping the cassettes immediately after use may trap moisture or other debris. Wrapping should occur after cleaning and before sterilization to ensure proper sterilization and storage.

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