Quiz on Hair Structure

Which part of the hair structure is responsible for producing oil?

• Arrector pili muscle

• Sebaceous gland

• Dermal papilla

• Cortex

What is the function of the arrector pili muscle?

• To produce hair color

• To make hair stand up

• To nourish the hair

• To protect the hair

Which part of the hair structure contains the blood supply?

• Cortex

• Medulla

• Dermal papilla

• Cuticle

Where is the root of the hair located?

• Above the skin

• Inside the follicle

• At the hair tip

• In the dermal papilla

What are the three layers of hair?

• Medulla, Cortex, Cuticle

• Epidermis, Dermis, Subcutaneous

• Keratin, Melanin, Collagen

• Follicle, Shaft, Root

What type of cells does the medulla contain?

• Small, tightly connected cells

• Large, loosely connected, keratinized cells

• Medium, densely packed cells

• Tiny, non-keratinized cells

What effect do the air spaces in the medulla have?

• They make the hair stronger

• They determine the sheen and color tones

• They cause the hair to grow faster

• They make the hair curlier

What essential elements does the dermal papilla supply to the hair?

• Water and minerals

• Food and oxygen

• Vitamins and proteins

• Hormones and enzymes

How many sheaths does the hair follicle have?

• 2

• 3

• 4

• 5

What forms the walls of the hair follicle?

• Muscle fibers

• Continuation of the cellular layer of the skin's surface

• Blood vessels

• Nerve endings