The Carina is an Internal Ridge That Lies Between the Entrances

Question

The carina is an internal ridge that lies between the entrances to the ________.
A) lower bronchi
B) main bronchi
C) bronchioles
D) lobar bronchi
E) segmental bronchi

Accepted Answer

The carina is a ridge that separates the left and right main bronchi, which are the largest branches of the trachea that enter the lungs.