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Sterilization and Infection Control Equipment Flashcards

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  1. What is the correct term for the process of reducing microbial contamination to a safe level without achieving sterility?

    Answer: Disinfection

    Disinfection reduces the number of viable microorganisms to a level considered safe for handling but does not necessarily eliminate all spores.

  2. Which ANSI/AAMI standard governs the comprehensive reprocessing of reusable medical devices?

    Answer: ANSI/AAMI ST79

    ANSI/AAMI ST79 is the comprehensive guide to steam sterilization and sterility assurance in healthcare facilities and covers all aspects of device reprocessing.

  3. A flash sterilization cycle (immediate-use steam sterilization) at 132°C in a pre-vacuum sterilizer requires a minimum exposure time of:

    Answer: 4 minutes

    AAMI ST79 specifies a minimum of 4 minutes at 132°C for immediate-use steam sterilization (flash sterilization) in a pre-vacuum sterilizer with lumened devices.

  4. What does the term 'SAL 10⁻⁶' mean in the context of sterilization?

    Answer: There is a 1 in 1,000,000 chance of a viable organism on a device

    A Sterility Assurance Level of 10⁻⁶ means there is a 1 in 1,000,000 probability that a viable microorganism remains on a sterilized item.

  5. Which agent is classified as a high-level disinfectant capable of achieving sterilization with extended exposure time?

    Answer: Hydrogen peroxide 7.5%

    Hydrogen peroxide 7.5% is an EPA-registered sterilant/disinfectant that achieves high-level disinfection in 30 minutes and sterilization with extended (6-hour) exposure.

  6. When inspecting a sterile package before use, which finding would require the item to be reprocessed?

    Answer: The outer wrap shows visible moisture damage

    Moisture damage to sterile packaging compromises the barrier and can allow microbial contamination, requiring reprocessing of the item before use.

  7. Which OSHA standard most directly governs healthcare worker safety when handling ethylene oxide sterilizers?

    Answer: 29 CFR 1910.1047 (Ethylene Oxide Standard)

    OSHA 29 CFR 1910.1047 specifically regulates occupational exposure to ethylene oxide, including permissible exposure limits, monitoring, and worker protections.