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

What modifies the activated molecule to produce calcitriol?

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

What is the acronym SHAPES used for?

<p>To remember the functions of the skin (A)</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 (B)</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 (C)</p> Signup and view all the answers

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

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

What provides physical protection to the skin?

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

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

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

What are the vasoconstrictors that regulate thermoregulation in the skin?

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

What are the vasodilators that regulate thermoregulation in the skin?

<p>NO (B)</p> Signup and view all the answers

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

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

What are the cutaneous sensations that the skin can perceive?

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

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

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

Which enzyme modifies the activated molecule to produce calcitriol?

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

What is the primary function of calcitriol?

<p>Promoting calcium absorption (D)</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 (A)</p> Signup and view all the answers

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