Infection Control & Safety — Cosmetology Practice Test

This Cosmetology Infection Control & Safety practice set has 66 practice questions based on the official exam materials, each with an instant explanation. You need 75% on the real Cosmetology knowledge test to pass.

Sample questions

Three questions from the Infection Control & Safety bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.

1. Which level of decontamination is the HIGHEST and destroys all microbial life, including bacterial spores?

   • Sterilization — Correct answer
   • Disinfection
   • Sanitation
   • Cleaning

   Explanation: The three levels of decontamination, from lowest to highest, are sanitation (reduces germs to a safe level), disinfection (kills most pathogens on nonporous surfaces but NOT spores), and sterilization (destroys ALL microbial life including bacterial spores). In most salon settings, EPA-registered disinfection is the required standard for multi-use implements; sterilization is reserved for instruments that can pierce the skin.

   Handbook: Infection Control & Safety — Levels of Decontamination

2. In a salon, what is the MOST common way infections are spread between clients?

   • Contact with contaminated implements, tools, and surfaces (indirect contact) — Correct answer
   • Breathing the same air as other clients in the salon
   • Drinking water from the same fountain
   • Sunlight exposure through the salon windows

   Explanation: Most salon infections spread by contact transmission — either direct (skin-to-skin) or, most commonly, INDIRECT contact through contaminated implements, tools, and surfaces (combs, shears, clippers, capes, workstations) that touch one client and then another without proper cleaning and disinfection. This is why cleaning and disinfecting multi-use items between every client is the core of infection control.

   Handbook: Infection Control & Safety — Disease Transmission

3. A wooden manicure stick, paper neck strip, and cotton pad are examples of what kind of item?

   • Porous, single-use items that must be discarded after one client — Correct answer
   • Multi-use items that can be disinfected and reused
   • Items that must be sterilized in an autoclave before each use
   • Items that only need to be rinsed with water between clients

   Explanation: Porous, single-use (disposable) items — such as wooden sticks, paper neck strips, cotton pads, emery boards, and buffer blocks — absorb moisture and cannot be properly cleaned and disinfected. They must be thrown away after ONE client and never reused. Multi-use (reusable) items are nonporous (metal shears, combs, clippers) and CAN be cleaned and disinfected between clients.

   Handbook: Infection Control & Safety — Single-Use vs Multi-Use Items