Arkansas Esthetician Practice Exam

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What is the highest level of infection control?

Sanitization
Disinfection
Sterilization
Cleaning

The correct answer is: Sterilization

Sterilization is the highest level of infection control because it is the only method that completely eliminates all microorganisms, including bacteria, viruses, and fungi. Sanitization and cleaning both reduce the number of microorganisms, but do not eliminate them. Disinfection is a step above cleaning and can kill most bacteria, but may not be effective against viruses and fungi. Therefore, sterilization is the most effective and thorough method for infection control.