Pharmacology Mechanism of action of cisapride? A Inhibition of D2 receptors B Antagonism of 5HT3 receptors C Antagonism of 5HT4 receptors D Agonism of 5HT4 receptors 💡 Explanation Mechanism of action of cisapride? ✓ Correct Answer: D. Agonism of 5HT4 receptors