B- blocker with additional a-blocking property is____________?
Correct answer: D. Labetalol
- A. Propranolol
- B. Timolol
- C. Metoprolol
- D. Labetalol
Explanation
Labetalol blocks both beta receptors and alpha-1 receptors, producing reduced heart rate and peripheral vasodilation. Propranolol, timolol and metoprolol are primarily beta blockers without clinically significant alpha-blocking activity.
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