ACTUAL QUESTIONS AND CORRECT ANSWERS WITH
RATIONALE LATEST 2026 ALREADY GRADED A+
This comprehensive 200-question resource is specifically designed for the
California State Board of Barbering exam, covering all essential theory,
practical knowledge, and regulatory requirements for licensure. It includes
questions on infection control protocols (EPA-registered disinfectants,
cleaning procedures, storage requirements), health and safety regulations
(hazardous substances, chemical safety, communicable disease prevention),
the 1,000-hour curriculum requirements, licensing fees and renewal processes,
examination structure and scoring, chemical hair services (relaxers, perms,
color), haircutting and shaving techniques, client consultation, and
professional practices. Each question includes a correct answer with a detailed
rationale explaining the underlying science, legal requirements, and safety
principles to ensure exam success and safe, professional practice. This
resource prepares candidates for both the written theory exam and real-world
barbering competencies.
1. What is the first step in the infection control process for tools and implements?
A) Disinfection with an EPA-registered product
B) Sterilization using an autoclave
C) Cleaning to remove all visible debris
D) Sanitizing with soap and water
Answer: C) Cleaning to remove all visible debris
Rationale: Cleaning is the foundational first step in infection control. Removing
all visible dirt, oils, and debris from tools is essential because disinfection and
sterilization cannot be effective if the surface is not clean .
2. Which level of infection control destroys all microorganisms, including
bacterial spores?
A) Sanitation
B) Disinfection
C) Sterilization
D) Antiseptic treatment
Answer: C) Sterilization
, Rationale: Sterilization is the highest level of infection control and destroys all
microbial life, including highly resistant bacterial spores. This is achieved through
methods like autoclaving (steam under pressure) or dry heat .
3. What is the minimum contact time generally required for EPA-registered
disinfectants to be effective?
A) 1 minute
B) 5 minutes
C) 10 minutes
D) 30 minutes
Answer: C) 10 minutes
Rationale: EPA-registered disinfectants typically require a contact time of 10
minutes to effectively kill pathogens. Always follow the manufacturer's specific
label instructions for correct contact time, as it can vary .
4. Which of the following is the correct procedure for disinfecting metal
implements like shears or clipper blades?
A) Wash with soap and water, then wipe with alcohol
B) Clean, completely immerse in EPA-registered disinfectant for 10 minutes,
rinse, and dry
C) Boil in water for 5 minutes
D) Wipe with a disinfectant wipe only
Answer: B) Clean, completely immerse in EPA-registered disinfectant for 10
minutes, rinse, and dry
Rationale: Proper disinfection requires a multi-step process: first, thoroughly
clean the implement to remove debris; second, completely immerse it in an EPA-
registered disinfectant for the full contact time; finally, rinse and dry it .
5. Before disinfecting combs and brushes, what is the required first step?
A) Spray them with alcohol
B) Clean them with soap and warm water
C) Soak them in bleach
D) Place them in an autoclave
Answer: B) Clean them with soap and warm water
Rationale: Before any disinfectant can be effective, all combs and brushes must
be thoroughly cleaned with soap and warm water to remove hair, oils, and other
debris .
6. Where should freshly laundered towels be stored in a barbershop?
A) In a closed cabinet or a dryer
, B) On an open shelf for easy access
C) On the barber station
D) In a drawer with other supplies
Answer: A) In a closed cabinet or a dryer
Rationale: Clean linens must be stored in a clean, closed container, cabinet, or a
dryer to protect them from contamination and maintain their sanitary state .
7. Which of the following is NOT an acceptable method of disinfection in a
California salon?
A) EPA-registered hospital-grade disinfectant
B) Boiling water
C) Ultraviolet (UV) sanitizer as the sole method
D) Barbicide
Answer: C) Ultraviolet (UV) sanitizer as the sole method
Rationale: UV sanitizers are not approved as the sole method of disinfection in
California. They may be used as an additional step after proper chemical
disinfection, but they cannot replace it .
8. Household bleach can be used as a chemical agent for which purpose?
A) Sterilization
B) Decontamination
C) Sanitation
D) Antiseptic treatment
Answer: B) Decontamination
Rationale: Household bleach is a chemical agent used for decontamination,
which involves reducing microorganisms to a safe level. It is a common and
effective disinfectant when diluted correctly .
9. Rinsing with water is NOT considered which level of decontamination?
A) The first step
B) A preliminary cleaning step
C) A level of decontamination
D) An effective cleaning method for removing debris
Answer: C) A level of decontamination
Rationale: Rinsing alone is not a level of decontamination. It is a preliminary
step to remove visible debris but does not reduce or destroy pathogens on its own .
10. What is the primary route of transmission for fungal infections like ringworm
(Tinea capitis) in a barbershop?
A) Airborne transmission
, B) Direct contact with contaminated surfaces or tools
C) Bloodborne transmission
D) Foodborne transmission
Answer: B) Direct contact with contaminated surfaces or tools
Rationale: Fungal infections like ringworm are primarily transmitted through
direct contact with contaminated tools, surfaces, or infected skin. Proper
disinfection is critical to prevent its spread .
11. Single-use items such as porous nail files or buffers should be:
A) Disinfected and reused
B) Discarded after one use
C) Shared between clients after a quick wipe
D) Used until they are worn out
Answer: B) Discarded after one use
Rationale: Single-use items are porous and cannot be adequately disinfected.
They must be discarded immediately after use on a single client and cannot be used
again .
12. Which condition is contagious and requires a barber to refuse service until the
client has been treated?
A) Dandruff
B) Head lice (Pediculosis)
C) Dry scalp
D) Oily scalp
Answer: B) Head lice (Pediculosis)
Rationale: Head lice are highly contagious parasites. Service must be refused
and the client referred for treatment before providing any barbering service to
prevent the infestation from spreading .
13. What is the primary purpose of the California Board of Barbering and
Cosmetology's infection control regulations?
A) To increase salon profits
B) To protect public health and safety
C) To reduce the number of salons
D) To standardize pricing
Answer: B) To protect public health and safety
Rationale: The Board's infection control regulations are designed to protect
public health and safety by preventing the transmission of infectious diseases in
salon and barbershop settings .