Pharmacology · single question
Mechanism of action of albuterol?
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Correct answer: A. Beta-2 adrenergic receptor agonist
Albuterol = SHORT-ACTING BETA-2 ADRENERGIC AGONIST (SABA). Selectively activates β2 receptors in bronchial smooth muscle → relaxation (bronchodilation). First-line rescue medication for acute bronchospasm.