Hair Anatomy and Functions Quiz
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Questions and Answers

Which skin surface does NOT have hair present?

  • Palms
  • Soles
  • Scalp (correct)
  • Armpits

What largely determines the thickness and pattern of hair distribution?

  • Genetic and hormonal influences (correct)
  • Environmental factors
  • Hair products used
  • Exposure to sunlight

Which part of the hair anatomy consists of dead, keratinized epidermal cells?

  • Hair shaft (correct)
  • Hair follicle
  • Hair roots
  • Hair bulb

What structure protects the eyes from foreign particles similar to the eyebrows and eyelashes?

<p>Nostril hair (A)</p> Signup and view all the answers

Which skin surface is also known as the plantar surface of the feet?

<p>Soles (D)</p> Signup and view all the answers

What skin surface is associated with the term 'palmar'?

<p>Palms (D)</p> Signup and view all the answers

Which structure houses a nipple-shaped indentation containing areolar connective tissue and blood vessels?

<p>Hair bulb (A)</p> Signup and view all the answers

From which layer do cells of the hair matrix arise?

<p>Stratum basale (C)</p> Signup and view all the answers

What is the function of the arrector pili muscle?

<p>Raising hair follicles to produce goosebumps (D)</p> Signup and view all the answers

Which structure contains a germinal layer of cells known as the hair matrix?

<p>Hair bulb (A)</p> Signup and view all the answers

What is the role of hair matrix cells?

<p>Producing new hairs (D)</p> Signup and view all the answers

Where do cells of the internal root sheath originate from?

<p>Hair matrix cells (D)</p> Signup and view all the answers

What causes 'goose bumps' or 'gooseflesh' on the skin surface?

<p>Contraction of the arrector pili muscles (C)</p> Signup and view all the answers

Which part of the hair follicle is sensitive to touch?

<p>Hair root plexus (B)</p> Signup and view all the answers

What cells in the hair matrix differentiate into cells of the inner root sheath?

<p>Basal cells (A)</p> Signup and view all the answers

Which cells at the base of the hair root form the outer root sheath?

<p>Basal cells (B)</p> Signup and view all the answers

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