Intermediate Hair Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What is the function of the dermal papilla in the hair follicle?
- Anchors the hair to skin surface
- Lubricates the follicle
- Produces keratin directly
- Supplies nutrients and growth signals
Q2. Which layer of the hair shaft contains the pigment melanin?
- Root sheath
- Medulla
- Cuticle
- Cortex
Q3. What happens during the catagen phase of the hair cycle?
- Hair falls out actively
- Hair matrix re-pigments
- Hair shaft rapidly grows
- Growth stops and follicle shrinks
Q4. Which gland associated with hair secretes oil to lubricate the hair and skin?
- Mammary gland
- Sebaceous gland
- Sweat gland
- Lacrimal gland
Q5. What type of connective tissue surrounds the entire hair follicle?
- Basement membrane
- Adipose capsule
- Synovial sheath
- Connective tissue sheath
Q6. Which hormone is primarily linked to androgenic hair loss?
- Insulin
- Cortisol
- Estrogen
- Dihydrotestosterone (DHT)
Q7. How does the medulla differ from the cortex in hair structure?
- It is the outermost layer
- It contains hair papilla
- It is pigmented and thicker than the cortex
- It is central, may be absent, and less dense
Q8. What is the primary function of keratinocytes in the hair matrix?
- Anchor hair to the dermis
- Produce sebum
- Detect touch stimuli
- Form hair shaft and inner root sheath
Q9. Which vitamin deficiency is most commonly linked to brittle or thinning hair?
- Iron or vitamin D
- Vitamin K or calcium
- Vitamin E or zinc
- Folic acid or magnesium
Q10. What role does the outer root sheath play in hair regeneration?
- Forms the cuticle
- Houses stem cells for follicle renewal
- Produces melanin
- Secretes protective oil