Practice Quiz

CNOR Operating Room Nursing

Category - Disinfection

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Which of the following measures is important to remember to avoid toxicity when sterilizing instruments using ethylene oxide?
  1. Only items that are small enough to fit on an 8 x 8 tray are safe to sterilize in this method.
  2. Aeration is necessary only when materials come in direct patient contact.
  3. Materials must be clean and dry before sterilizing with ethylene alcohol.
  4. Both B and C
Explanation
Answer: C-Materials must be clean and dry before sterilizing with ethylene alcohol. Moisture and water left on surgical instruments may combine with EO to form ethylene glycol, which can be extremely toxic. Ethylene glycol may not be removed even with aeration, so it is essential to prevent its formation from the beginning.
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