Which of the following is antiasthmatic_____________?
Correct answer: B. Salbutamol
- A. Histamine
- B. Salbutamol
- C. Acetylcholine
- D. Serotonin
Explanation
Salbutamol is a selective beta2 agonist that relaxes bronchial smooth muscle and relieves bronchospasm. Histamine, acetylcholine and serotonin generally promote bronchoconstriction or airway symptoms rather than treat asthma.
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