Anatomy Chapter 2: Tissues
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Questions and Answers

What is the main function of epithelial tissue?

  • Producing body and organ movements
  • Covering body surfaces and forming glands (correct)
  • Initiating and transmitting nerve impulses
  • Binding, supporting, and protecting body parts
  • Which type of tissue facilitates absorption in the gastrointestinal tract (GIT)?

  • Nervous tissue
  • Muscle tissue
  • Connective tissue
  • Epithelial tissue (correct)
  • What is the main characteristic of epithelial tissues?

  • Derived from mesoderm and ectoderm
  • Highly cellular with low extracellular matrix (correct)
  • Composed of closely packed muscle cells
  • Innervated and avascular
  • What is the role of epithelial tissue in the lungs?

    <p>Facilitate diffusion</p> Signup and view all the answers

    How do most epithelia obtain nutrients?

    <p>By diffusion</p> Signup and view all the answers

    Which type of junction completely attaches each cell to its neighbors and seals off the intercellular space?

    <p>Tight junctions</p> Signup and view all the answers

    Which type of junction provides mechanical support at potential stress points but does not completely encircle the cell?

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

    Which type of junction allows the passage of material between adjacent cells through lateral surfaces?

    <p>Adhering junctions</p> Signup and view all the answers

    Which type of junction is made up of tiny fluid-filled tunnels called connexons through which ions and small molecules can diffuse from the cytosol of one cell to another?

    <p>Gap junctions</p> Signup and view all the answers

    Which type of junction helps epithelial surfaces resist separation during various contractile activities?

    <p>Adhering junctions</p> Signup and view all the answers

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