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
Answer is D. Cisapride, mosapride, and renzapride are prokinetic agents acting by 5HT4 agonismRef: HL Sharma 3rd ed.Pg 355.