Pharmacology · single question
Which best describes albuterol's mechanism?
Show answer and explanation
Correct answer: B. β2-agonist
- A. β1 blockade affects the heart, not albuterol's action.
- B. Correct. Albuterol is a selective β2-agonist causing bronchodilation.
- C. A β2-antagonist would constrict bronchi — the opposite effect.
- D. β1-agonism increases cardiac activity, not bronchodilation.