A 14-year-old male soccer player complains of occasional shortness of breath, particularly during practice or games. You decide to initially treat his asthma with a β₂agonist inhaler to be used when symptoms appear. By which mechanism will this agent improve his ability to breathe? A) Bronchodilation via smooth muscle relaxation B) A decrease of pro-inflammatory cells C) Prevention of histamine release D) Inhibition of leukotriene synthesis E) Leukotriene-l receptor antagonism

Question

Quizplus · Accepted Answer

Beta-agonist inhalers work by causing bronchodilation through the relaxation of bronchial smooth muscle, which helps to improve airflow and alleviate symptoms of asthma.

A 14-Year-Old Male Soccer Player Complains of Occasional Shortness of Breath