California Registered Dental Assistant (RDA) Written Practice Exam

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A single-use item reduces the risk of disease transmission because it is what?

  1. Sterilized between uses

  2. More cost-effective

  3. Discarded and not reused

  4. Made of biodegradable material

The correct answer is: Discarded and not reused

A single-use item reduces the risk of disease transmission because it is discarded and not reused. This means that the item is used only once and then thrown away, preventing the spread of any potential diseases that may have been transmitted during its use. Options A, B, and D are incorrect because they do not address the issue of disease transmission directly. Option A mentions sterilization, but this does not necessarily guarantee the item is completely free of any bacteria or viruses. Option B mentions cost-effectiveness, which is unrelated to disease transmission. Option D mentions biodegradable material which has no direct impact on disease transmission.

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