Anatomy of the Mediastinal Tubes and Vessels
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Questions and Answers

Where does the trachea end?

  • Bifurcation into three bronchi opposite T5
  • Continuation into the lungs opposite T4
  • Bifurcation into two bronchi opposite T4 (correct)
  • Continuation into the lungs opposite T5

    • What keeps the lumen of the trachea patent?

  • Presence of lymph nodes
  • C-shaped cartilaginous rings in its wall (correct)
  • Mucous membrane lining
  • Muscular contractions

    • What is the clinical importance of the carina of the trachea?

  • Allows for vocal cord movement
  • Indicator of lung capacity
  • Provides structural support to the trachea
  • Indication of carcinoma of the lymph nodes (correct)

    • How does the left bronchus enter the lung compared to the right bronchus?

    <p>Enters the lung opposite T6</p> Signup and view all the answers

    Why is a foreign body more likely to lodge in the right bronchus?

    <p>It is wider, shorter, and runs more vertically than the left bronchus</p> Signup and view all the answers

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