Anatomy of the Bronchi and Lungs
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Questions and Answers

What is the major function of the trachea?

  • To regulate breathing rate and depth
  • To produce mucus that traps dust and bacteria
  • To conduct air to the primary bronchi entering the lungs (correct)
  • To facilitate gas exchange between the lungs and the atmosphere
  • What is the main component of the trachea's epithelial lining?

  • Simple squamous epithelium
  • Pseudostratified ciliated columnar epithelium (correct)
  • Stratified epithelium
  • Simple cuboidal epithelium
  • What type of muscle is found in the trachea?

  • Smooth muscle (correct)
  • Voluntary muscle
  • Cardiac muscle
  • Skeletal muscle
  • What is the type of epithelium lining the trachea?

    <p>Pseudostratified Columnar epithelium</p> Signup and view all the answers

    What is the function of the seromucous glands in the trachea?

    <p>To produce watery mucus</p> Signup and view all the answers

    What is the length of the trachea in adults?

    <p>10-12 cm</p> Signup and view all the answers

    What is the main function of the trachea?

    <p>To conduct air to primary bronchi</p> Signup and view all the answers

    What is the relationship between the trachea and the bronchi?

    <p>The trachea branches into the bronchi</p> Signup and view all the answers

    What is the purpose of the MALT in the trachea?

    <p>To regulate the immune response</p> Signup and view all the answers

    What is the function of the cartilage rings in the trachea?

    <p>To support the trachea and maintain its shape</p> Signup and view all the answers

    What type of cells are responsible for moving mucus and trapped particles away from the lungs?

    <p>Ciliated Columnar Epithelial Cells</p> Signup and view all the answers

    What is the function of the goblet cells in the trachea?

    <p>To trap dust, bacteria, and other particles</p> Signup and view all the answers

    What type of epithelium lines the nasal cavities and conducting portion of the respiratory system?

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

    What is the function of Type I pneumocytes in the alveoli?

    <p>Facilitating gas exchange and maintaining ion and fluid balance</p> Signup and view all the answers

    What is the role of goblet cells in the respiratory epithelium?

    <p>Secreting mucin glycoproteins to trap inhaled particles</p> Signup and view all the answers

    What is the function of alveolar macrophages in the lungs?

    <p>Collecting inhaled particles, such as coal, silica, and microbes</p> Signup and view all the answers

    What is the role of the elastic components of lung tissue in the ventilating mechanism?

    <p>Assisting in the expansion and recoil of the thoracic cage</p> Signup and view all the answers

    What is the function of the trachea in the respiratory system?

    <p>To branch into bronchi, which further divide into bronchioles</p> Signup and view all the answers

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