PSI CALIFORNIA BARBER EXAM COMPLETE QUESTIONS
AND 100% VERIFIED ANSWERS (PASS GUARANTEE)
1. Q: What is the minimum temperature required for hot water in a
barbershop? ANSWER 110°F (43°C)
2. Q: How long must barbering tools be immersed in an EPA-registered
disinfectant? ANSWER At least 10 minutes
3. Q: What type of disinfectant is most commonly used in barbershops?
ANSWER Hospital-grade EPA-registered disinfectant (such as quaternary
ammonium compounds or phenolics)
4. Q: What is the proper way to store clean towels? ANSWER In a clean,
closed cabinet away from contaminated items
5. Q: What should you do if you accidentally cut a client? ANSWER Stop
the service, apply a styptic or antiseptic, use a new disposable implement, and
properly dispose of contaminated items
6. Q: How often should barbicide solution be changed? ANSWER Daily or
when visibly contaminated
7. Q: What does OSHA stand for? ANSWER Occupational Safety and
Health Administration
8. Q: What is the most effective method of sterilization? ANSWER
Autoclave (steam under pressure)
9. Q: Can you use the same neck strip for multiple clients? ANSWER No,
neck strips are single-use only
10. Q: What is the purpose of an SDS (Safety Data Sheet)? ANSWER To
provide information about hazardous chemicals, including handling, storage,
and emergency procedures
11. Q: What is cross-contamination? ANSWER The transfer of pathogens
from one surface or person to another
,12. Q: How should you dispose of used razor blades? ANSWER In a
puncture-proof sharps container
13. Q: What is the difference between cleaning and disinfecting? ANSWER
Cleaning removes visible debris; disinfecting kills most pathogens
14. Q: Can you sanitize combs and brushes with hair still in them?
ANSWER No, all hair must be removed before disinfection
15. Q: What should you do before disinfecting tools? ANSWER Clean them
thoroughly with soap and water
16. Q: What is a pathogen? ANSWER A disease-causing microorganism
17. Q: What are universal precautions? ANSWER Treating all blood and
bodily fluids as if they are infectious
18. Q: How long must you keep disinfection records in California?
ANSWER At least 3 years
19. Q: What is the proper dilution ratio for most barbicide solutions?
ANSWER Follow manufacturer's instructions (typically 2 ounces per gallon of
water)
20. Q: Can you reuse disposable razors? ANSWER No, disposable razors are
single-use only
21. Q: What type of bacteria causes most skin infections in barbershops?
ANSWER Staphylococcus (staph)
22. Q: What is the difference between bactericidal and bacteriostatic?
ANSWER Bactericidal kills bacteria; bacteriostatic inhibits bacterial growth
23. Q: How should you handle contaminated linens? ANSWER Store in a
closed, labeled container separate from clean linens
24. Q: What does EPA stand for? ANSWER Environmental Protection
Agency
25. Q: Can you blow hair clippings off a client's face? ANSWER No, this
can spread pathogens and cause irritation
26. Q: What should you wear when handling chemicals? ANSWER Gloves
and protective clothing as recommended by the SDS
27. Q: How often should you wash your hands during services? ANSWER
Before and after each client, and whenever contamination occurs
, 28. Q: What is the best way to prevent the spread of ringworm? ANSWER
Proper disinfection of all tools and surfaces, and not serving infected clients
29. Q: Can you use a styptic pencil on multiple clients? ANSWER No, use
disposable styptic powder or individual applications
30. Q: What temperature kills most bacteria? ANSWER 170°F (77°C) or
higher for at least 15 minutes
31. Q: What is a vector? ANSWER An organism that transmits disease (like
mosquitoes or lice)
32. Q: How should clipper blades be maintained between clients?
ANSWER Cleaned, disinfected, and oiled
33. Q: What is the purpose of a wet sanitizer? ANSWER To store clean,
disinfected tools ready for use
34. Q: Can you use alcohol as a primary disinfectant? ANSWER 70%
alcohol can disinfect but is not as effective as EPA-registered disinfectants for
all pathogens
35. Q: What should you do if a client has an open sore or lesion? ANSWER
Do not provide service in that area; refer them to a physician
36. Q: What is the proper way to test disinfectant efficacy? ANSWER Use
test strips to ensure proper concentration
37. Q: How long do bacteria take to multiply in ideal conditions?
ANSWER Approximately every 20-30 minutes (binary fission)
38. Q: What is the difference between antiseptic and disinfectant?
ANSWER Antiseptics are safe for skin; disinfectants are for tools and surfaces
only
39. Q: Should you use the same shaving cream brush on multiple clients?
ANSWER No, use disposable applicators or individual portions
40. Q: What is the most common way diseases spread in barbershops?
ANSWER Direct contact and contaminated tools
41. Q: What does HIV stand for? ANSWER Human Immunodeficiency
Virus
42. Q: Can HIV be transmitted through casual contact in a barbershop?
ANSWER No, HIV requires direct blood-to-blood contact
AND 100% VERIFIED ANSWERS (PASS GUARANTEE)
1. Q: What is the minimum temperature required for hot water in a
barbershop? ANSWER 110°F (43°C)
2. Q: How long must barbering tools be immersed in an EPA-registered
disinfectant? ANSWER At least 10 minutes
3. Q: What type of disinfectant is most commonly used in barbershops?
ANSWER Hospital-grade EPA-registered disinfectant (such as quaternary
ammonium compounds or phenolics)
4. Q: What is the proper way to store clean towels? ANSWER In a clean,
closed cabinet away from contaminated items
5. Q: What should you do if you accidentally cut a client? ANSWER Stop
the service, apply a styptic or antiseptic, use a new disposable implement, and
properly dispose of contaminated items
6. Q: How often should barbicide solution be changed? ANSWER Daily or
when visibly contaminated
7. Q: What does OSHA stand for? ANSWER Occupational Safety and
Health Administration
8. Q: What is the most effective method of sterilization? ANSWER
Autoclave (steam under pressure)
9. Q: Can you use the same neck strip for multiple clients? ANSWER No,
neck strips are single-use only
10. Q: What is the purpose of an SDS (Safety Data Sheet)? ANSWER To
provide information about hazardous chemicals, including handling, storage,
and emergency procedures
11. Q: What is cross-contamination? ANSWER The transfer of pathogens
from one surface or person to another
,12. Q: How should you dispose of used razor blades? ANSWER In a
puncture-proof sharps container
13. Q: What is the difference between cleaning and disinfecting? ANSWER
Cleaning removes visible debris; disinfecting kills most pathogens
14. Q: Can you sanitize combs and brushes with hair still in them?
ANSWER No, all hair must be removed before disinfection
15. Q: What should you do before disinfecting tools? ANSWER Clean them
thoroughly with soap and water
16. Q: What is a pathogen? ANSWER A disease-causing microorganism
17. Q: What are universal precautions? ANSWER Treating all blood and
bodily fluids as if they are infectious
18. Q: How long must you keep disinfection records in California?
ANSWER At least 3 years
19. Q: What is the proper dilution ratio for most barbicide solutions?
ANSWER Follow manufacturer's instructions (typically 2 ounces per gallon of
water)
20. Q: Can you reuse disposable razors? ANSWER No, disposable razors are
single-use only
21. Q: What type of bacteria causes most skin infections in barbershops?
ANSWER Staphylococcus (staph)
22. Q: What is the difference between bactericidal and bacteriostatic?
ANSWER Bactericidal kills bacteria; bacteriostatic inhibits bacterial growth
23. Q: How should you handle contaminated linens? ANSWER Store in a
closed, labeled container separate from clean linens
24. Q: What does EPA stand for? ANSWER Environmental Protection
Agency
25. Q: Can you blow hair clippings off a client's face? ANSWER No, this
can spread pathogens and cause irritation
26. Q: What should you wear when handling chemicals? ANSWER Gloves
and protective clothing as recommended by the SDS
27. Q: How often should you wash your hands during services? ANSWER
Before and after each client, and whenever contamination occurs
, 28. Q: What is the best way to prevent the spread of ringworm? ANSWER
Proper disinfection of all tools and surfaces, and not serving infected clients
29. Q: Can you use a styptic pencil on multiple clients? ANSWER No, use
disposable styptic powder or individual applications
30. Q: What temperature kills most bacteria? ANSWER 170°F (77°C) or
higher for at least 15 minutes
31. Q: What is a vector? ANSWER An organism that transmits disease (like
mosquitoes or lice)
32. Q: How should clipper blades be maintained between clients?
ANSWER Cleaned, disinfected, and oiled
33. Q: What is the purpose of a wet sanitizer? ANSWER To store clean,
disinfected tools ready for use
34. Q: Can you use alcohol as a primary disinfectant? ANSWER 70%
alcohol can disinfect but is not as effective as EPA-registered disinfectants for
all pathogens
35. Q: What should you do if a client has an open sore or lesion? ANSWER
Do not provide service in that area; refer them to a physician
36. Q: What is the proper way to test disinfectant efficacy? ANSWER Use
test strips to ensure proper concentration
37. Q: How long do bacteria take to multiply in ideal conditions?
ANSWER Approximately every 20-30 minutes (binary fission)
38. Q: What is the difference between antiseptic and disinfectant?
ANSWER Antiseptics are safe for skin; disinfectants are for tools and surfaces
only
39. Q: Should you use the same shaving cream brush on multiple clients?
ANSWER No, use disposable applicators or individual portions
40. Q: What is the most common way diseases spread in barbershops?
ANSWER Direct contact and contaminated tools
41. Q: What does HIV stand for? ANSWER Human Immunodeficiency
Virus
42. Q: Can HIV be transmitted through casual contact in a barbershop?
ANSWER No, HIV requires direct blood-to-blood contact
