New Mexico Cosmetology Practice Exam

What is the proper temperature range for sterilizing equipment in an autoclave?

1. 210°F to 230°F

2. 250°F to 270°F

3. 280°F to 300°F

4. 300°F to 320°F

The correct answer is: 250°F to 270°F

The proper temperature range for sterilizing equipment in an autoclave is between 250°F and 270°F. This temperature range is essential because it ensures that the high heat achieves the necessary level of microbial kill, including bacteria and spores, which are more resistant to heat than other pathogens. Autoclaving works by using both temperature and pressure to eliminate all forms of microbial life, making it one of the most effective methods for sterilization in a professional setting. At temperatures below this range, sterilization may not be reliable, as insufficient heat can lead to survival of certain pathogens. Conversely, temperatures exceeding this range, while they may still achieve sterilization, can lead to damage to some instruments and equipment. Ensuring the right temperature is crucial not only for effectiveness but also for maintaining the integrity of the tools being sterilized, which is especially important in the cosmetology field where precision and safety are paramount.