Pharmacology Selective 5–HT4 agonist useful in gastroesophageal reflux disease and lacking arrhythmogenic property is : A Buspirone B Sumatriptan C Cisapride D Tegaserod 💡 Explanation Selective 5–HT4 agonist useful in gastroesophageal reflux disease and lacking arrhythmogenic property is : ✓ Correct Answer: D. Tegaserod