|WITH QUESTIONS AND 100%
CORRECT SOLUTIONS|VERIFIED BY
EXPERTS|2025 UPDATE.
SECTION 1: SANITATION AND SAFETY
1. Which of the following is the most effective method for sterilizing metal implements?
a. Wiping with a disinfectant towel
b. Soaking in a UV light chamber
c. Immersing in an autoclave
d. Spraying with alcohol
Answer: c. Immersing in an autoclave
Rationale: Autoclaves use steam under pressure to achieve sterilization, which is the most
effective method for killing all microorganisms, including spores.
2. What is the primary purpose of OSHA in a cosmetology setting?
a. To ensure client satisfaction
b. To enforce safety and health standards
c. To regulate product pricing
d. To provide licensing for cosmetologists
Answer: b. To enforce safety and health standards
Rationale: OSHA (Occupational Safety and Health Administration) is responsible for ensuring
safe and healthy working conditions by setting and enforcing standards.
SECTION 2: HAIR CARE AND STYLING
3. Which type of hair texture is most prone to breakage?
a. Coarse
b. Fine
c. Medium
d. Wavy
Answer: b. Fine
Rationale: Fine hair has a smaller diameter, making it more susceptible to damage and
breakage compared to thicker hair textures.
, 4. What is the recommended pH level for a shampoo?
a. 3.5–4.5
b. 5.5–6.5
c. 7.0–8.0
d. 9.0–10.0
Answer: b. 5.5–6.5
Rationale: A slightly acidic pH helps maintain the hair’s natural moisture balance and cuticle
integrity.
SECTION 3: SKIN CARE AND ESTHETICS
5. Which of the following is a contraindication for a chemical peel?
a. Dry skin
b. Active acne
c. Recent sunburn
d. Oily skin
Answer: c. Recent sunburn
Rationale: A recent sunburn indicates compromised skin integrity, making it unsuitable for
chemical exfoliation.
6. What is the primary function of hyaluronic acid in skincare products?
a. Exfoliation
b. Hydration
c. Sun protection
d. Anti-inflammatory
Answer: b. Hydration
Rationale: Hyaluronic acid is a humectant that attracts and retains moisture in the skin.
SECTION 4: NAIL CARE
7. Which nail condition is characterized by white spots or lines on the nail plate?
a. Onycholysis
b. Leukonychia
c. Paronychia
d. Onychomycosis
Answer: b. Leukonychia
Rationale: Leukonychia is a condition where white spots or lines appear on the nail plate, often
due to minor trauma or nutrient deficiencies.