Question

question 46
which structure serves each lung?
a primary bronchus
b secondary bronchus
c tertiary bronchus
d bronchiole

Explanation:

The trachea divides into two primary bronchi (left and right), each entering a lung. Secondary bronchi branch within the lung lobes, tertiary bronchi further divide, and bronchioles are smaller airways. The primary bronchus is the first structure to serve each lung.

Answer:

A. Primary bronchus