In individuals who have asthma,exposure to an allergen to which they are sensitized leads to which pathophysiologic event?
A) Loss of alveolar elastin and premature closure of airways
B) Pulmonary edema and decreased alveolar compliance
C) Mast cell degranulation that causes decreased surfactant
D) Inflammation, mucosal edema, and bronchoconstriction

Question

Quizplus · Accepted Answer

In asthma,exposure to an allergen causes mast cell degranulation and release of inflammatory mediators that trigger airway inflammation,mucosal edema,and bronchoconstriction.In asthma,exposure to an allergen does not cause loss of alveolar elastin,pulmonary edema and decreased alveolar compliance,or decreased surfactant.

In Individuals Who Have Asthma,exposure to an Allergen to Which