Certified Nurses Operating Room (CNOR) Practice Exam

How long and at what pressure is flash sterilization conducted?

1. 3 minutes at 132 degrees, 27 pounds pressure

2. 5 minutes at 134 degrees, 20 pounds pressure

3. 4 minutes at 130 degrees, 30 pounds pressure

4. 6 minutes at 135 degrees, 25 pounds pressure

The correct answer is: 3 minutes at 132 degrees, 27 pounds pressure

Flash sterilization is an important process utilized in the operating room for the rapid sterilization of instruments and materials that are needed urgently. The correct choice indicates that flash sterilization can be effectively achieved at a temperature of 132 degrees Celsius and a pressure of 27 pounds per square inch (psi) for a duration of 3 minutes. This is consistent with established sterilization guidelines. The combination of temperature, pressure, and time is critical for effectively killing microorganisms. At 132 degrees Celsius, the established time of 3 minutes is sufficient for the steam to penetrate the items being sterilized and ensure that the high temperatures are maintained long enough to destroy most bacteria, viruses, and spores. This method is particularly useful when there's a need for quick turnaround of surgical instruments, thereby minimizing delays in surgical procedures. The other options suggest varying times, temperatures, or pressures that do not adhere to the common standards or protocols for flash sterilization, which is typically around the parameters noted in the correct choice. Thus, the selection of 3 minutes at 132 degrees and 27 pounds ensures maximum efficacy and safety in the use of sterilized instruments during surgical procedures.