Which of the following methods is most suitable for sterilizing heat-sensitive 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 sterilization is the most suitable method for sterilizing heat-sensitive instruments due to its effectiveness at low temperatures. This gas penetrates packaging materials and reaches difficult-to-access areas, making it ideal for items that cannot withstand high heat or moisture. Ethylene oxide operates under conditions that are gentle enough for delicate instruments, ensuring they remain undamaged while achieving a high level of sterilization.

In contrast, moist heat sterilization is effective for many instruments but can damage heat-sensitive items, as the process involves steaming at high pressures and temperatures. Dry heat sterilization, while also effective for certain items, requires high temperatures for extended periods, which again is not suitable for heat-sensitive instruments. Radiation sterilization is typically used for single-use medical devices and can be more complex and costly in comparison to ethylene oxide. Thus, ethylene oxide remains the preferred choice for preserving the integrity of heat-sensitive instruments while ensuring they are properly sterilized.

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