Which method should be used for sterilizing heat-sensitive medical instruments?

Study for the Sterile Processing Technician Exam. Review flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your certification exam!

Ethylene oxide gas sterilization is the appropriate method for sterilizing heat-sensitive medical instruments because it operates at low temperatures and does not involve moisture, making it suitable for items that could be damaged by heat or steam. This method effectively penetrates porous materials and can sterilize complex devices, while also having the ability to kill a broad spectrum of microorganisms, including bacteria, viruses, and spores.

Steam sterilization, for example, utilizes high temperatures and pressure, which can compromise the integrity of heat-sensitive materials. Similarly, both moist heat and dry heat sterilization employ higher temperatures that can lead to degradation or changes in the properties of delicate instruments. Ethylene oxide's capacity to sterilize at lower temperatures and without moisture is critical for maintaining the functionality and safety of these medical instruments.

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