COPY: Ch. 4 The Integumentary System Introduction Quiz
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COPY: Ch. 4 The Integumentary System Introduction Quiz

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@UnwaveringLorentz

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Questions and Answers

Which cell type in the epidermis is responsible for producing melanin?

  • Melanocytes (correct)
  • Smooth muscles
  • Keratinocytes
  • Merkel Cells

    • Which type of epithelium makes up the epidermis?

  • Simple squamous epithelium
  • Pseudostratified columnar epithelium
  • Stratified squamous epithelium (correct)
  • Stratified cuboidal epithelium

    • What is the process by which epidermal cells fill with keratin and move to the skin surface called?

  • Melanization
  • Epidermolysis
  • Keratinization (correct)
  • Hyperpigmentation

    • Which of the following factors contributes significantly to determining an individual's skin color?

    <p>Melanin production by melanocytes</p> Signup and view all the answers

    What is responsible for the strength and elasticity of the epidermis?

    <p>Collagen fibers extending into the papillary and subcutaneous layers</p> Signup and view all the answers

    Where are hairs found apart from the sides & soles of feet and palms of hands?

    <p>Everywhere on the body except those locations</p> Signup and view all the answers

    What determines the color of hair?

    <p>Level of melanin</p> Signup and view all the answers

    What surrounds each hair and is responsible for hair movement when activated?

    <p>A root hair plexus of nerves</p> Signup and view all the answers

    Which layer of the epidermis is responsible for keratinization?

    <p>Stratum corneum</p> Signup and view all the answers

    What is the primary function of melanin in the skin?

    <p>To protect against UV radiation</p> Signup and view all the answers

    Which area of the body is least likely to have melanin present in the epidermal tissues?

    <p>Palms of the hands</p> Signup and view all the answers

    What is the average time it takes for a cell produced in the stratum basale to reach the stratum corneum?

    <p>15 to 20 days</p> Signup and view all the answers

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