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Olfactory Pathways and Affective Nature of Smell
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Olfactory Pathways and Affective Nature of Smell

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Questions and Answers

Which of the following statements about olfactory receptor cells is correct?

  • They are unipolar neurons with dendrites projecting through the cribriform plate.
  • They are unipolar neurons with axons terminating in the olfactory epithelium.
  • They are bipolar neurons with axons projecting through the cribriform plate. (correct)
  • They are multipolar neurons with dendrites extending into the olfactory bulb.

    • What are the sites of olfactory transduction in olfactory receptor cells?

  • Nonmotile olfactory cilia extending from the dendrite (correct)
  • Secretory granules within supporting cells
  • Bowman's glands in the connective tissue
  • Microvilli on the mucosal border of supporting cells

    • Which type of cells are responsible for producing mucus that dissolves odorants in the olfactory epithelium?

  • Olfactory receptor cells
  • Basal cells
  • Supporting cells
  • Bowman's glands (correct)

    • Which of the following is NOT a type of cell found in the olfactory epithelium?

    <p>Goblet cells</p> Signup and view all the answers

    What is the function of basal cells in the olfactory epithelium?

    <p>They are undifferentiated stem cells that give rise to olfactory receptor cells.</p> Signup and view all the answers

    What is the primary function of supporting cells in the olfactory epithelium?

    <p>To provide structural support and nourishment to olfactory receptor cells</p> Signup and view all the answers

    Which part of the nasal cavity does the olfactory epithelium occupy?

    <p>The superior part of the nasal cavity</p> Signup and view all the answers

    Which of the following statements about odorants is correct?

    <p>Odorants are dissolved in mucus produced by Bowman's glands.</p> Signup and view all the answers

    Which area of the brain receives direct input from the olfactory receptor cells?

    <p>The olfactory bulb</p> Signup and view all the answers

    Which of the following statements about the lateral and medial olfactory areas is correct?

    <p>Both the lateral and medial olfactory areas receive direct input from the olfactory bulb.</p> Signup and view all the answers

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