Question

asthma is a respiratory disease in which _. a) an inflammatory response obstructs the airways b) swallowing is difficult and painful c) the mucous membrane of the trachea becomes inflamed d) the lungs become infected and filled with pus

Explanation:

Asthma is characterized by an inflammatory response that causes airway obstruction. Swallowing difficulty is not its main feature. Trachea - mucous - membrane inflammation is not the core of asthma. Lung infection with pus is not typical of asthma.

Answer:

A. an inflammatory response obstructs the airways