Which type of sterilization uses chemical vapor instead of steam?

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!

The correct answer is based on the fact that LTGP (Low-Temperature Gas Plasma) sterilization utilizes a hydrogen peroxide vapor to achieve sterilization. This method introduces a gas vapor containing hydrogen peroxide that is then activated by energy, leading to the formation of reactive species that effectively destroy microbial life. This process is particularly useful for heat-sensitive medical instruments and devices.

In contrast, the other methods listed involve different principles of sterilization. Ethylene Oxide sterilization utilizes a gas (ethylene oxide) that operates under specific temperature and humidity conditions, typically not relying on vapor solely. Dry heat sterilization relies on high temperatures to sterilize equipment through oxidation, while Plasma sterilization also employs gaseous forms but in a different mechanism that does not specifically utilize the chemical vapor format used in LTGP. Understanding these distinctions clarifies the unique application and benefits of LTGP sterilization in sterile processing.

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