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
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