Answer:
B) Albuterol
Step-by-step explanation:
Albuterol, which is also known as Salbutamol, is a short-acting bronchodilator that produces quick relief to the spasm of bronchial smooth muscle that causes shortness of breath during asthma attack. Albuterol relaxes the bronchial smooth muscle, which leads to the opening of breathing passages.
Identifying this agent shows the student understood the information about medications used for treating asthma.