Cosmetology Test Hair & Scalp Properties 5

Question 1

What is the visible part of the hair that extends above the scalp surface called?

Accepted Answer

Hair shaft

Answer

Hair root

Answer

Hair follicle

Answer

Hair bulb

Question 2

Traction alopecia is most commonly caused by:

Accepted Answer

Prolonged tension on the hair from tight hairstyles

Answer

Hormonal changes during pregnancy

Answer

A fungal infection of the scalp

Answer

Vitamin deficiencies

Question 3

The medulla is the innermost layer of the hair shaft and is:

Accepted Answer

Absent or fragmented in fine hair

Answer

Present in all hair types

Answer

Responsible for hair color

Answer

The hardest layer of the hair

Question 4

What is the primary function of the sebaceous glands in relation to hair?

Accepted Answer

Secreting sebum to lubricate and protect the hair and scalp

Answer

Producing melanin to color the hair

Answer

Anchoring the hair to the follicle

Answer

Stimulating hair growth during anagen phase

Question 5

Which hair growth phase is the longest, during which active growth occurs?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Answer

Exogen

Question 6

Salt bonds in hair are broken and reformed by changes in:

Accepted Answer

pH levels

Answer

Heat

Answer

Chemical oxidation

Answer

UV exposure

Question 7

A cosmetologist notices a client has circular patches of hair loss with no scarring or inflammation. This most likely indicates:

Accepted Answer

Alopecia areata

Answer

Androgenetic alopecia

Answer

Traction alopecia

Answer

Tinea capitis