Sheet Metal Exam
Question 1. Which type of microorganism is most commonly
responsible for infectious diseases in the salon environment?
A) Algae
B) Bacteria
C) Protozoa
D) Parasites
Answer: B
Explanation: Bacteria are the most common microorganisms that cause
infection and disease in salon settings.
Question 2. What is the primary difference between disinfection and
sterilization?
,MA VA II M1 Unrestricted Master
Sheet Metal Exam
A) Disinfection kills all forms of microbial life, sterilization only kills
bacteria
B) Disinfection removes visible debris, sterilization does not
C) Sterilization destroys all microbial life, including spores; disinfection
destroys most but not all microorganisms
D) Disinfection is used for skin, sterilization is only for tools
Answer: C
Explanation: Sterilization destroys all forms of microbial life, including
spores, while disinfection eliminates most but not all pathogens.
Question 3. What is the recommended time for washing hands to
ensure proper aseptic technique?
A) 5 seconds
,MA VA II M1 Unrestricted Master
Sheet Metal Exam
B) 10 seconds
C) 20 seconds
D) 60 seconds
Answer: C
Explanation: Washing hands for at least 20 seconds effectively reduces
the risk of cross-contamination.
Question 4. Which of the following is a single-use (disposable) item in a
nail salon?
A) Metal nipper
B) Orangewood stick
C) Glass file
D) UV lamp
, MA VA II M1 Unrestricted Master
Sheet Metal Exam
Answer: B
Explanation: Orangewood sticks are single-use and must be discarded
after each client to prevent cross-contamination.
Question 5. What information does a Material Safety Data Sheet (MSDS)
provide?
A) Product colors
B) Chemical hazards and safe handling instructions
C) Price list
D) Manufacturer warranty
Answer: B
Explanation: MSDS contains essential information about chemical
hazards, handling, storage, and emergency procedures.