Certification Board of Infection Control and Epidemiology (CBIC) 2025 – 400 Free Practice Questions to Pass the Exam

The parameters for steam sterilization are crucial to ensure the effective destruction of microorganisms, including resistant spores. The correct choice indicates a temperature of 250°F with a pressure of 15 to 20 psi for a duration of 15 to 20 minutes. This combination is well-documented as a standard for steam sterilization, particularly for autoclave sterilization processes.

At 250°F, the steam achieves the necessary thermal energy to penetrate materials effectively and kill pathogens. The specified pressure of 15 to 20 psi allows the steam to reach and maintain this high temperature, creating an environment conducive to sterilization. The time duration of 15 to 20 minutes is critical, as it ensures exposure of the items being sterilized to the high temperature and pressure long enough to achieve a sterility assurance level.

The other options deviate from this ideal scenario, either by setting incorrect temperatures, pressures, or times that do not align with established guidelines for effective steam sterilization. For instance, a higher pressure or lower temperature would either not effectively sterilize the items or require longer times that could compromise efficiency and material integrity. Thus, adhering to the parameters indicated in the correct choice is essential for achieving sterilization efficacy.