Comprehensive Resource To Help You Ace 2026-2027 Exams
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1. Hydrogen Peroxide is a type of:
a. disinfectant
b. physical agent
c. sterilizer
d. antiseptic - Correct Answer: d. antiseptic
2. For the optimal level of disinfection, the best choice would be:
a. 50 to 60% isopropyl alcohol
b. detergent
c. a hospital-level disinfectant
d. an antispetic - Correct Answer: c. a hospital-level disinfectant
3. The group of disinfectants that are toxic and caustic and cause rubber and
plastic materials to soften is:
a. quats
b. antiseptics
c. 60% isopropyl alcohol
d. phenols - Correct Answer: d. phenols
4. When salt is dissolved in water, the salt is the:
, a. solvent
b. solute
c. solution
d. strength - Correct Answer: b. solute
5. Before you disinfect a brush, comb, shears, or other tool, you should:
a. rinse it with water
b. wash it with soap and hot water
c. wipe it with a clean cloth towel
d. wipe it with a fresh paper towel - Correct Answer: b. wash it with
soap and hot water
6. Towels and other linens should be sanitized after use by:
a. washing in hot water and weak quat solution
b. washing in hot water and detergent and bleach
c. complete immersion in an EPA-registered disinfectant
d. complete immersion in Lysol solution - Correct Answer: b.
washing in hot water with detergent and bleach
7. A Material Safety Data Sheet contains:
a. product prices
b. warranty information
c. a list of product suppliers
d. ingredients, hazards, and other product information - Correct
Answer: d. ingredient, hazards, and other product information
8. In a work environment where toxic substances are used, the employer must
post a notice of specific workers rights, which is called:
a. a Right-to-Know notice
, b. MSDS
c. Universal Precautions
d. Hazard Communication Rul - Correct Answer: a. a Right-to-Know
notice
9. The process of destroying all living organisms on an object or surface is:
a. disinfection
b. sanitation
c. decontamination
d. sterilization - Correct Answer: d. sterilization
10.The sanitizing agents used most often in barbershops are:
a. chemical disinfectants
b. autoclaves
c. antiseptics
d. electric sanitizers - Correct Answer: a. chemical disinfectants
11.To prepare 1:1000 quat solution, mix a gallon of water with:
a. 1 ounce of quat solute
b. 2 ounces of quat solute
c. 1/2 ounce of quat solute
d. 1/4 ounce of quat solute - Correct Answer: d. 1/4 ouce of quat
solute
12.Inorganic substances include:
a. pesticides
b. coal
c. plastics
d. minerals - Correct Answer: d. minerals