Pharmacology Metoprolol is preferred over Propranolol as it: September 2010 A Is more potent in blocking beta-1 receptors B Is more potent in blocking beta-2 receptors C Is more effective in suppressing essential tremors D Impairs exercise capacity 💡 Explanation Metoprolol is preferred over Propranolol as it: September 2010 ✓ Correct Answer: A. Is more potent in blocking beta-1 receptors