Anatomy and Physiology - Urinary Bladder Cell Types
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Questions and Answers

What is the main function of epithelial cells?

  • Production of waste substances
  • Reception of visual stimuli
  • Protection against physical barriers
  • Gas exchange and filtration (correct)

    • Which type of epithelium covers the outer surfaces of the body and organs?

  • Stratified epithelium
  • Simple epithelium (correct)
  • Columnar cells
  • Glandular epithelium

    • What is the primary function of microvilli on epithelial cells?

  • Disposing of nitrogenous waste by sweating
  • Moving secretions across the epithelium
  • Increasing surface area for absorption/secretion (correct)
  • Providing camouflage for protection

    • Which embryonic origin is responsible for lining epithelium of the digestive tube?

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

    What is the function of microvilli in epithelial cells?

    <p>Increase the surface area for absorption</p> Signup and view all the answers

    Which of the following is characteristic of caveolae in epithelial cells?

    <p>Bulb-like invagination of the basal cell membrane</p> Signup and view all the answers

    What is the composition of the basal lamina in epithelial cells?

    <p>Proteoglycans, laminin, fibronectin, and type IV collagen</p> Signup and view all the answers

    What is the function of kinocilia in epithelial cells?

    <p>Help in the movement of materials along a sheet of epithelium</p> Signup and view all the answers

    What is the major function of the epithelium in the kidney tubules?

    <p>Absorption and secretion</p> Signup and view all the answers

    In which organ do the surface cells of the urinary bladder become flattened and elongated under stretched conditions?

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

    What is the primary function of the epithelium in the small intestine and colon?

    <p>Absorption and secretion</p> Signup and view all the answers

    Which type of epithelium is found in the largest ducts of exocrine glands and at the anorectal junction?

    <p>Stratified columnar</p> Signup and view all the answers

    What is the primary function of the pseudostratified epithelium in the trachea and bronchial tree?

    <p>Absorption and secretion</p> Signup and view all the answers

    What is the purpose of the glycocalyx, a lateral surface modification of surface epithelium?

    <p>Antigen recognition</p> Signup and view all the answers

    What is the function of amorphous substance in intercellular substance?

    <p>It provides a barrier to bacteria and acts as a shock absorber</p> Signup and view all the answers

    Which type of collagen fiber is found in cartilage?

    <p>Type II – unbanded</p> Signup and view all the answers

    What is the primary function of elastic fibers in intercellular substance?

    <p>To provide 'springiness' and stretchability</p> Signup and view all the answers

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