Ohio Esthetics State Board Practice Exam

Sterilization means completely destroying all microbial life, including spores. This is the only process that leaves an item free of all living organisms, which is essential for tools that contact sterile areas or penetrate the skin. That’s why it’s the best choice: it goes beyond simply reducing microbes or removing debris. Reducing microbes to safe levels describes sanitation, not sterilization. Cleaning surfaces is just cleaning, not addressing microbial life. Disinfecting with chemical agents removes many pathogens but does not always eliminate spores or achieve total sterility. In practice, esthetics uses autoclaves for heat-tolerant instruments or chemical sterilants for heat-sensitive items to achieve true sterilization.