All of the following drugs intensify gastrointestinal motility Except: (A) Papaverine, (B) Metoclopramide, (C) Domperidone, (D) Cisapride
Answer is A. Papaverine an opioid decreases motility Prokinetic drugs are 5-HT3 antagonists (granisetron, ondansetron, and tropisetron), 5-HT 4 -receptor agonists (Cisapride, Mosapride, Tegaserod), D 2 -receptor antagonists (Metoclopramide and domperidone), Cholinomimetic agonists (bethanechol, Neostigmine) Ref:Katzung 13th edition pg 531