Certified Surgical Technologist (CST) Practice Exam

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What is the minimum sterilization temperature in Fahrenheit when using the warm cycle of the EtO sterilizer?

The correct answer is: 55

The warm cycle of an ethylene oxide (EtO) sterilizer typically operates at lower temperatures compared to other sterilization methods, such as steam sterilization. The minimum sterilization temperature for the warm cycle of an EtO sterilizer is considered to be around 55 degrees Fahrenheit. This allows for effective sterilization while minimizing the risk of damaging heat-sensitive instruments or materials. Understanding the specific parameters of the EtO sterilization process is crucial for surgical technologists, as it ensures that sterilization is achieved without compromising the integrity of delicate surgical instruments. In contrast, the other temperature options provided exceed the minimum required for this specific cycle, which could imply unnecessary exposure and potential degradation of certain items being sterilized.