Cosmetology Test Hair & Scalp Properties 2

Question 1

What is the average growth rate of human hair per month?

Accepted Answer

1/2 inch

Answer

1/4 inch

Answer

1 inch

Answer

2 inches

Question 2

Which layer of the hair shaft is responsible for giving hair its elasticity and strength?

Accepted Answer

Cortex

Answer

Cuticle

Answer

Medulla

Answer

Follicle

Question 3

What term describes the ability of hair to absorb moisture from the atmosphere?

Accepted Answer

Hygroscopicity

Answer

Elasticity

Answer

Porosity

Answer

Tensile strength

Question 4

The arrector pili muscle is responsible for which action?

Accepted Answer

Causing goosebumps by raising hair

Answer

Producing sebum

Answer

Nourishing the hair follicle

Answer

Controlling hair pigment

Question 5

Which type of melanin gives hair red and blonde tones?

Accepted Answer

Pheomelanin

Answer

Eumelanin

Answer

Carotene

Answer

Keratin

Question 6

What is the term for the natural oil produced by the sebaceous glands that lubricates the hair and scalp?

Accepted Answer

Sebum

Answer

Cerumen

Answer

Sudor

Answer

Lipase

Question 7

During which phase of the hair growth cycle does the hair follicle shrink and hair stops growing?

Accepted Answer

Catagen

Answer

Anagen

Answer

Telogen

Answer

Exogen