Asthma is
A) a collapsed lung resulting from insufficient production of surfactant.
B) due to an excessive stimulation of smooth muscle in bronchioles.
C) an obstructive tumor targeting primarily the terminal bronchioles.
D) characterized by fluid buildup in the alveoli.
E) caused by Mycobacterium tuberculosis.

Question

Quizplus · Accepted Answer

Asthma is caused by excessive stimulation of smooth muscle in the bronchioles, resulting in constriction and narrowing of the airways. This can lead to difficulty breathing, wheezing, and coughing.

Asthma Is