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Questions and Answers
Where does the trachea end?
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?
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?
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?
How does the left bronchus enter the lung compared to the right bronchus?
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Why is a foreign body more likely to lodge in the right bronchus?
Why is a foreign body more likely to lodge in the right bronchus?
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