For wrapped instruments in a gravity-displacement steam sterilizer at 121 °C (250 °F), what is the minimum exposure time recommended by the CDC?

  • Correct answer

    30 minutes

  • 3 minutes

  • 10 minutes

  • 60 minutes

This question is one of 15 in AFK practice: Prevention, infection control and ethics. Test yourself on all of them.

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Explanations

  • The CDC lists 30 minutes at 121 °C for wrapped instruments in a gravity-displacement sterilizer. Shorter times apply only at higher temperatures, for example 4 minutes at 132 °C in a dynamic-air-removal (prevacuum) sterilizer.

    Source: CDC Guideline for Disinfection and Sterilization in Healthcare Facilities (2008) link — oneguy

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