Question

which feature is found where the trachea and bronchi split?
a epiglottis
b carina
c esophagus
d bronchus

Explanation:

• The epiglottis is a flap that covers the trachea during swallowing, not at the trachea - bronchi split.
• The esophagus is the tube for food passage, separate from the trachea - bronchi structure.
• A bronchus is a branch (one of the two main branches when the trachea splits), not the feature at the split point.
• The carina is the ridge - like structure at the point where the trachea splits into the two main bronchi.

Answer:

B. Carina