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The Skin and its Functions
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The Skin and its Functions

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Questions and Answers

Which of the following is the main role of the skin in the immune system?

  • Produce melanin
  • Detect touch and temperature stimuli
  • Protect against impact and abrasion (correct)
  • Store lipids

    • What is the function of melanin in the skin?

  • Produce keratin
  • Protect against impact and abrasion
  • Store lipids
  • Protect against UV radiation (correct)

    • Which cells produce keratin in the skin?

  • Adipocytes
  • Keratinocytes (correct)
  • Melanocytes
  • Sweat glands

    • Where are lipids stored in the skin?

    <p>Subcutaneous layer</p> Signup and view all the answers

    How does the skin contribute to thermoregulation?

    <p>By insulation and evaporative cooling</p> Signup and view all the answers

    True or false: The main function of the skin is to protect underlying tissues and organs against impact, abrasion, fluid loss, and chemical attack.

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

    True or false: Melanin in the skin protects underlying tissue from UV radiation and is involved in skin pigmentation.

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

    True or false: Keratin in the skin protects against abrasion and serves as a water repellent.

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

    True or false: Lipids are stored in adipocytes in the dermis and in adipose tissue in the subcutaneous layer.

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

    True or false: The skin can detect touch, pressure, pain, and temperature stimuli and relay that information to the nervous system.

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

    True or false: The skin is the main line of defense for the immune system?

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

    True or false: Melanocytes produce melanin which protects underlying tissue from UV radiation?

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

    True or false: Keratinocytes produce keratin which acts as a water repellent?

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

    True or false: Adipocytes store lipids in the dermis and subcutaneous layer of the skin?

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

    True or false: The skin can detect touch, pressure, pain, and temperature stimuli and relay that information to the nervous system?

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

    What are the functions of the skin and accessory structures?

    <p>The functions of the skin and accessory structures include protecting underlying tissues and organs against impact, abrasion, fluid loss, and chemical attack; producing melanin to protect underlying tissue from UV radiation and for skin pigmentation; producing keratin to protect against abrasion and serve as a water repellent; storing lipids in adipocytes in the dermis and in adipose tissue in the subcutaneous layer; detecting touch, pressure, pain, and temperature stimuli and relaying that information to the nervous system; and contributing to thermoregulation through insulation and evaporative cooling.</p> Signup and view all the answers

    What is the main role of the skin in the immune system?

    <p>The main role of the skin in the immune system is to serve as the first line of defense by protecting underlying tissues and organs against impact, abrasion, fluid loss, and chemical attack.</p> Signup and view all the answers

    What is the function of melanin in the skin?

    <p>The function of melanin in the skin is to protect underlying tissue from UV radiation and to be involved in skin pigmentation.</p> Signup and view all the answers

    Where are lipids stored in the skin?

    <p>Lipids are stored in adipocytes in the dermis and in adipose tissue in the subcutaneous layer of the skin.</p> Signup and view all the answers

    How does the skin contribute to thermoregulation?

    <p>The skin contributes to thermoregulation through insulation by adipocytes in the hypodermis and evaporative cooling via sweat glands.</p> Signup and view all the answers

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