Integumentary System Functions Quiz
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Questions and Answers

Which of the following is NOT a major function of the integumentary system?

  • Protection against abrasion and ultraviolet light
  • Regulation of blood flow and sweat gland activity for temperature regulation
  • Detection of heat, cold, touch, pressure, and pain
  • Production of Vitamin D3 and Vitamin D2 (correct)

    • What is the molecule produced by the skin that can transform into Vitamin D when exposed to UV light?

  • 7-Dehydrocholesterol (correct)
  • Cholecalciferol
  • Calcidiol
  • Ergocalciferol

    • How is 7-Dehydrocholesterol transformed into Vitamin D3?

  • Undergoes hydroxylation in the kidneys to form Calcidiol
  • Metabolized by the sweat glands to produce Vitamin D3
  • Converted directly into Vitamin D3 by skin photolysis
  • Sent to the liver for hydroxylation, which transforms it into Calcidiol (correct)

    • What is the primary function of sweat glands in the skin?

    <p>To help regulate the body's temperature through heat loss</p> Signup and view all the answers

    Which of the following is an accessory structure of the integumentary system?

    <p>Hair</p> Signup and view all the answers

    What is the primary function of the integumentary system?

    <p>Protection against abrasion and ultraviolet light</p> Signup and view all the answers

    Which molecule is produced by the skin and can transform into Vitamin D when exposed to UV light?

    <p>7-Dehydrocholesterol</p> Signup and view all the answers

    What is the function of the sensory receptors in the integumentary system?

    <p>Detect heat, cold, touch, pressure, and pain</p> Signup and view all the answers

    Which of the following is an accessory structure of the integumentary system?

    <p>Sweat glands</p> Signup and view all the answers

    How is Vitamin D3 primarily produced in the body?

    <p>7-Dehydrocholesterol + sunlight $ ightarrow$ Calcidiol + kidneys $ ightarrow$ Vitamin D3</p> Signup and view all the answers

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