Function and Protection
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Questions and Answers

Which form of vitamin D is the most active?

  • Vitamin D
  • Calcitriol (correct)
  • Renal enzymes
  • Calcium
  • What is the function of calcitriol?

  • To excrete waste
  • To absorb calcium (correct)
  • To protect the skin
  • To regulate body temperature
  • What does the acronym SHAPES stand for in relation to the functions of the skin?

  • Sensation, Healing, Absorption, Protection, Excretion, Secretion
  • Sensation, Heating, Absorption, Protection, Excretion, Secretion (correct)
  • Sensation, Heating, Absorption, Prevention, Excretion, Secretion
  • Sensation, Heating, Absorption, Protection, Excretion, Suppression
  • What is one of the functions of the skin according to SHAPES?

    <p>To regulate body temperature</p> Signup and view all the answers

    What modifies the activated molecule to produce calcitriol?

    <p>Renal enzymes</p> Signup and view all the answers

    What is the acronym SHAPES used for?

    <p>To remember the functions of the skin</p> Signup and view all the answers

    What is the role of hepatic enzymes in the production of calcitriol?

    <p>To modify the activated molecule</p> Signup and view all the answers

    What is the role of renal enzymes in the production of calcitriol?

    <p>To modify the activated molecule</p> Signup and view all the answers

    Which of the following is NOT a function of the skin?

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

    What provides physical protection to the skin?

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

    What is the biological barrier to microorganisms in the skin due to?

    <p>Intercellular junctions</p> Signup and view all the answers

    What are the vasoconstrictors that regulate thermoregulation in the skin?

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

    What are the vasodilators that regulate thermoregulation in the skin?

    <p>NO</p> Signup and view all the answers

    What is the function of the extensive network of blood vessels in the skin?

    <p>Blood reservoir</p> Signup and view all the answers

    What are the cutaneous sensations that the skin can perceive?

    <p>All of the above</p> Signup and view all the answers

    What is the process by which the skin synthesizes vitamin D?

    <p>Activation of precursor molecules</p> Signup and view all the answers

    Which enzyme modifies the activated molecule to produce calcitriol?

    <p>Renal enzymes</p> Signup and view all the answers

    What is the primary function of calcitriol?

    <p>Promoting calcium absorption</p> Signup and view all the answers

    What does the acronym SHAPES represent in relation to the functions of the skin?

    <p>Sensation, Heat regulation, Absorption, Protection, Excretion, Sweat production</p> Signup and view all the answers

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