Cosmetology Test Review 2 — Questions and Answers
Question 1: Which layer of the skin contains the melanocytes responsible for skin pigmentation?
- Stratum corneum
- Stratum basale (Correct answer)
- Stratum granulosum
- Stratum spinosum
Correct answer: Stratum basale
Melanocytes are located in the stratum basale (basal layer), the deepest layer of the epidermis.
Question 2: When performing a patch test for hair color, results should be read after:
- 1–4 hours
- 6–8 hours
- 24–48 hours (Correct answer)
- 72 hours
Correct answer: 24–48 hours
A patch test for hair color should be evaluated 24–48 hours after application to detect allergic reactions.
Question 3: The process of removing the cuticle from around the nail plate is called:
- Buffing
- Eponychium removal
- Debriding
- Pterygium removal (Correct answer)
Correct answer: Pterygium removal
Pterygium is the overgrowth of skin that adheres to the nail plate, and its removal is part of professional nail care.
Question 4: Which chemical process permanently breaks and reforms the disulfide bonds in hair?
- Oxidation with hydrogen peroxide
- Permanent waving with ammonium thioglycolate (Correct answer)
- Relaxing with sodium hydroxide only
- Temporary straightening with heat
Correct answer: Permanent waving with ammonium thioglycolate
Ammonium thioglycolate in permanent waving solutions breaks disulfide bonds, which are then reformed in a new shape by the neutralizer.
Question 5: What is the primary purpose of a toner in haircoloring?
- To lift natural pigment from the hair
- To add deposit-only color to pre-lightened hair (Correct answer)
- To seal the cuticle after coloring
- To neutralize brassiness permanently
Correct answer: To add deposit-only color to pre-lightened hair
Toners are deposit-only color products applied to pre-lightened hair to achieve desired pastel or neutral shades.
Question 6: A client with a round face shape would most benefit from a haircut that:
- Adds width at the sides
- Creates height on top and minimizes width at the sides (Correct answer)
- Emphasizes the roundness with soft layers
- Adds fullness below the ears
Correct answer: Creates height on top and minimizes width at the sides
Height on top elongates the face visually while reducing side volume helps minimize a round face's width.
Question 7: Which scalp condition is characterized by dry, white flakes and mild itching?
- Tinea capitis
- Pityriasis capitis simplex (Correct answer)
- Seborrhea
- Psoriasis
Correct answer: Pityriasis capitis simplex
Pityriasis capitis simplex is the technical term for simple dandruff, presenting as dry, white, non-oily flakes.
Which layer of the skin contains the melanocytes responsible for skin pigmentation?