Which structure divides into the right and left main bronchi?
Solution
Correct Answer: Option A
The trachea is a tubular structure that extends from the larynx and bifurcates at the level of the sternal angle into the right and left main bronchi. This division is critical for directing air into each lung. Understanding the exact location of this bifurcation is essential during procedures like bronchoscopy, endotracheal intubation, and thoracic surgery. Injury or obstruction at this site can compromise ventilation to either lung. Hence, the tracheal bifurcation (carina) serves as a key anatomical landmark in airway management and surgery.
Reference: Gray's Anatomy, Standring S., 42nd Edition.
Reference: Gray's Anatomy, Standring S., 42nd Edition.
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