What are the three phases of the steam sterilizer cycle?

The correct answer identifies the essential stages of the steam sterilization process, specifically highlighting Conditioning, Exposure, and Exhaust as the key phases.

Conditioning refers to the phase where the chamber is prepared for sterilization. This involves removing air from the chamber and replacing it with steam, ensuring that the sterilant can reach the instruments and effectively kill microorganisms. It is critical for achieving the correct pressure and temperature necessary for sterilization.

Exposure is the actual phase where items are subjected to the steam at the required temperature for the necessary duration. This step is vital as it ensures that all microbial life, including spores, is eradicated. The effectiveness of sterilization during this phase hinges on maintaining the appropriate temperature and time.

Exhaust is the final phase, where steam is released from the chamber, and dry air flows in, which is essential for drying the sterilized instruments. This phase ensures that items do not become re-contaminated and that they are safe for handling and storage. Proper exhaust allows the sterilization process to be complete and prepares the items for use.

Each of these phases plays a crucial role in ensuring that the steam sterilization process is effective and that the instruments are safe for subsequent use.