Anatomy of Serous Membrane in GIT
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Questions and Answers

What is the primary site of gas exchange between air and blood?

  • Alveoli (correct)
  • Alveolar sacs
  • Alveolar ducts
  • Respiratory bronchioles
  • What is the function of the hairs in the nasal vestibule?

  • To sense odor molecules
  • To filter out large particulate matter (correct)
  • To warm the air
  • To humidify the air
  • What type of epithelium lines the first 1.5 cm of the nasal cavity?

  • Simple cuboidal
  • Stratified squamous (correct)
  • Pseudostratified columnar
  • Simple squamous
  • Which type of cell is the most abundant in the respiratory region of the nasal cavity?

    <p>Ciliated columnar cells</p> Signup and view all the answers

    What is the function of the goblet cells in the respiratory region?

    <p>To produce mucin glycoproteins</p> Signup and view all the answers

    What is the function of the small granule cells in the respiratory region?

    <p>Part of the diffuse neuroendocrine system</p> Signup and view all the answers

    Where does respiration occur in the respiratory system?

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

    What is the name of the cells that resemble gustatory cells and have chemosensory receptors?

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

    What is the structure that connects the respiratory bronchioles to the alveoli?

    <p>Alveolar ducts</p> Signup and view all the answers

    What is the term for the first 1.5 cm of the nasal cavity?

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

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