Cosmetology Test Hair & Scalp Properties 3

Question 1

What is the outermost protective layer of the hair shaft called?

Accepted Answer

Cuticle

Answer

Cortex

Answer

Medulla

Answer

Dermal papilla

Question 2

A client's hair snaps when stretched slightly. This indicates low:

Accepted Answer

Elasticity

Answer

Porosity

Answer

Density

Answer

Texture

Question 3

What is the scientific name for the protein that makes up the majority of the hair strand?

Accepted Answer

Keratin

Answer

Collagen

Answer

Elastin

Answer

Fibrin

Question 4

Which scalp condition is characterized by an overproduction of skin cells resulting in white or yellowish flakes?

Accepted Answer

Seborrheic dermatitis

Answer

Alopecia

Answer

Tinea capitis

Answer

Folliculitis

Question 5

Hair texture refers to which characteristic of the individual hair strand?

Accepted Answer

The diameter or thickness of the hair strand

Answer

The number of hairs per square inch

Answer

The amount of curl in the hair

Answer

The rate of hair growth

Question 6

What is the term for the blood vessel-rich structure at the base of the follicle that nourishes hair?

Accepted Answer

Dermal papilla

Answer

Sebaceous gland

Answer

Arrector pili

Answer

Hair bulb

Question 7

Which pH range best describes the natural pH of hair and scalp?

Accepted Answer

4.5–5.5

Answer

1.0–2.5

Answer

7.0–8.0

Answer

9.0–10.0