A nurse is preparing a surgical instrument that cannot tolerate high heat. Which sterilisation method may be selected according to the manufacturer's instructions?
Correct answer: A. Ethylene oxide gas
- A. Ethylene oxide gas
- B. Warm tap-water rinsing
- C. Routine detergent wiping
- D. Brief exposure to room air
Explanation
Ethylene oxide gas can sterilise many heat- and moisture-sensitive medical devices when used in a controlled process. Cleaning or rinsing removes some soil but does not sterilise the instrument.
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About Infection Prevention and Asepsis
Asepsis covers the chain of infection, hand hygiene, personal protective equipment, standard and transmission-based precautions, sterilisation, disinfection and safe waste disposal. The key distinction is between medical asepsis, which reduces microorganisms, and surgical asepsis, which maintains a sterile field during invasive procedures.
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