Skin Layers and Composition Quiz
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Questions and Answers

What is the function of the serous membranes?

  • To protect the organs from external pathogens
  • To secrete mucus to keep the organs moist
  • To absorb nutrients from the organs
  • To reduce friction between the layers and provide lubrication (correct)
  • What is the name of the serous membrane around each lung in the thoracic cavity?

  • Pleura (correct)
  • Mucocutaneous junction
  • Peritoneum
  • Synovial membrane
  • What is the epithelial composition of most mucous membranes?

  • Stratified squamous or simple columnar epithelium (correct)
  • Pseudostratified columnar epithelium
  • Simple squamous epithelium
  • Stratified cuboidal epithelium
  • What is the function of the synovial membranes?

    <p>To produce synovial fluid to reduce friction between articulating bones</p> Signup and view all the answers

    What is the primary organ of the integumentary system?

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

    What type of tissue forms the connective tissue layer of a serous membrane?

    <p>Fibrous connective tissue</p> Signup and view all the answers

    What forms the superficial layer of epithelial cells in the cutaneous membrane?

    <p>Stratified squamous epithelium</p> Signup and view all the answers

    What is the function of a serous membrane that lines body cavities?

    <p>Preventing friction between organs</p> Signup and view all the answers

    Where does hair growth begin?

    <p>At the hair papilla at the base of the follicle</p> Signup and view all the answers

    What is the role of eccrine sweat glands?

    <p>To produce a transparent, watery liquid called perspiration</p> Signup and view all the answers

    What causes the odor associated with apocrine gland secretion?

    <p>The contamination and decomposition of the secretion by skin bacteria</p> Signup and view all the answers

    Where is the mechanical strength of the skin located?

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

    What gives the skin its elasticity and ability to stretch and recoil?

    <p>Elastic fibers</p> Signup and view all the answers

    What is the function of friction ridges on the skin?

    <p>Improve grip and sense textures</p> Signup and view all the answers

    Which layer of the skin is filled with a dense network of interlacing fibers, mostly collagen fibers?

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

    Which layer lies deep to the dermis and forms a connection between the skin and underlying structures of the body?

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

    What is the primary function of melanin?

    <p>To protect tissues from harmful UV radiation</p> Signup and view all the answers

    Which layer of the skin is responsible for producing the pigment melanin?

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

    What happens when the junction between the epidermal and dermal layers is weakened or destroyed?

    <p>Blisters may result</p> Signup and view all the answers

    What substance provides cells in the outer layer of the skin with a horny, abrasion-resistant, and protective quality?

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

    Which layer of the skin is made up largely of connective tissue?

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

    Which type of skin cancer is the most serious?

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

    What causes sebum to darken and form a blackhead?

    <p>Exposure to air</p> Signup and view all the answers

    What is the cause of Kaposi sarcoma (KS)?

    <p>Human herpesvirus 8 (HHV8)</p> Signup and view all the answers

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