The smallest airway of the bronchial tree that is primarily responsible for creating bronchoconstriction.
A) primary bronchi
B) bronchopulmonary segment
C) lobe of lung
D) bronchiole
E) alveoli sac

Question

Quizplus · Accepted Answer

Bronchioles are the smallest airways of the bronchial tree that lack cartilage and are primarily responsible for bronchoconstriction. The primary bronchi and bronchopulmonary segments are larger airways, while lobes of the lung and alveoli sacs are structures within the lungs rather than airways.

The Smallest Airway of the Bronchial Tree That Is Primarily