Histology of Respiratory System - Dr. Ali Bedair
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Questions and Answers

Which part of the nose is primarily responsible for connecting the root to the rest of the nose?

  • Dorsum nasi
  • Bridge (correct)
  • Alae
  • Apex

    • What is the main function of the conducting zone in the respiratory system?

  • Gas exchange
  • Removing debris and pathogens from incoming air (correct)
  • Metabolizing airborne carcinogens
  • Sensing odors

    • In which zone does gas exchange occur in the respiratory system?

  • Bronchial epithelium
  • Conducting zone
  • Respiratory zone (correct)
  • Nasal passages

    • Which section of the nose is responsible for contributing to its numerous functions?

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

    What is the primary function of the nasal cavity in the respiratory system?

    <p>Sensing odors</p> Signup and view all the answers

    Which part of the nose forms the nostrils?

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

    What is the main function of the respiratory zone?

    <p>To facilitate gas exchange</p> Signup and view all the answers

    Which of the following structures is part of the respiratory zone?

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

    What is the function of the muscular walls of the bronchioles?

    <p>To change the size of the tubing and regulate airflow</p> Signup and view all the answers

    How many terminal bronchioles are present in each lung?

    <p>More than 1000</p> Signup and view all the answers

    Which of the following structures is NOT part of the respiratory zone?

    <p>Bronchial tree</p> Signup and view all the answers

    What is the difference between the bronchi and the bronchioles in terms of their structure?

    <p>Bronchi contain cartilage, while bronchioles do not</p> Signup and view all the answers

    Which of the following statements about the respiratory epithelium is correct?

    <p>It is a pseudostratified ciliated columnar epithelium</p> Signup and view all the answers

    What is the primary function of the cilia in the respiratory epithelium?

    <p>To trap and remove pathogens and debris</p> Signup and view all the answers

    Which of the following regions of the pharynx serves only as an airway?

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

    What is the function of the pharyngeal tonsil (adenoid)?

    <p>To trap and destroy invading pathogens during inhalation</p> Signup and view all the answers

    Which of the following statements about the tubal tonsil is correct?

    <p>It is one of the four main tonsil groups forming Waldeyer's tonsillar ring</p> Signup and view all the answers

    What is the primary function of the serous and mucus-producing cells in the nasal epithelium?

    <p>To secrete enzymes and proteins with antibacterial properties</p> Signup and view all the answers

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