Most potent antiemitic agent used in preoperative period: (A) Glycopyrolate, (B) Hyoscine, (C) Atropine, (D) Metochlorpromide
Answer is D. D i.e. Metochlopromide Metochlopramide increases lower esophageal sphinter tone, speeds gastric emptying & lowers gastric fluid volume & decreases risk for aspiration pneumonia due to antiemetic effect