Hair Structure and Anatomy: Master the Building Blocks of Hair

Question 1

Keratin is the dominant protein found in hair, contributing to its:

Accepted Answer

Strength and Elasticity

Answer

Porosity and Absorption

Answer

Flexibility and Brittleness

Answer

Color and Texture

Question 2

Which protein is the primary component of hair?

Accepted Answer

Keratin

Answer

Collagen

Answer

Melanin

Answer

Elastin

Question 3

The layer of hair that offers protection and imparts shine is the:

Accepted Answer

Cuticle

Answer

Cortex

Answer

Medulla

Answer

Hair follicle

Question 4

The primary role of the medulla in hair is to provide:

Accepted Answer

Core support and insulation

Answer

Determination of hair color

Answer

Strength and elasticity

Answer

Protection from damage

Question 5

The loss of melanin production is associated with hair appearing:

Accepted Answer

Grey or white

Answer

Black or brown

Answer

Red or blonde

Answer

Shiny or dull

Question 6

For a client with dry, brittle hair, which type of product is most beneficial?

Accepted Answer

Moisturizing products

Answer

Hair cuticle strengthening products

Answer

Hair growth stimulating products

Answer

Hair lightening products

Question 7

The structure that anchors the hair shaft and nourishes it is the:

Accepted Answer

Hair follicle

Answer

Hair cortex

Answer

Hair cuticle

Answer

Hair medulla

Question 8

How does keratin contribute to the health of hair?

Accepted Answer

Provides strength, elasticity, and moisture retention

Answer

Regulates hair growth cycle

Answer

Shields hair from environmental damage

Answer

Determines hair color

Question 9

During a hair analysis, which aspects of the hair shaft can be assessed?

Accepted Answer

Texture, elasticity, and porosity

Answer

Scalp health

Answer

Hair color history

Answer

Hair growth rate