Anatomy and physiology of the hair

Sebaceous glands make an oil called:

• Epidermis

• Keratin

• Sebum

• Sweat

The cuticle is the:

• centre layer

• middle layer

• outer layer

• thickest layer

Identify the function of eyelashes:

• cushion brow bone

• insulate the scalp

• keep us warm

• prevent dust entering eyes

What is the function of the Arrector Pili Muscle?

• Causes hair to fall out

• Causes hair to stand on end when a person is scared or cold

• Causes hair to grow faster

• Causes hair to change color

Which of the following is NOT a layer that makes up the hair?

• Cuticle

• Medulla

• Cortex

• Epidermis

What is the cuticle layer composed of?

• Round cells

• Flat scale-like cells

• Square cells

• Triangular cells

Which of the following is a characteristic of vellus hair?

• Thick and pigmented

• Soft and downy

• Always longer than 20mm

• Contains a medulla

What does the cuticle layer provide to the hair?

• Nutrition

• Protection and shine

• Blood supply

• Color

Which layer of the hair contains hard keratin?

• Medulla

• Cortex

• Cuticle

• Dermal papilla

What is a common feature of vellus hair regarding pigmentation?

• Always pigmented

• Often unpigmented

• Always dark

• Always light