<prompt> Which of the following vessels is most commonly involved in hemorrhage from duodenal ulcer?IVCGastroduodenal arterySMAInferior pancreatico duodenal artery  <response>: Ans. b Gastroduodenal arteryRef: Sabiston 19th Edition, Page 1195-1196 Most common indication for surgery is bleeding Most common cause of death is bleeding in peptic ulcer patients Most common complication of peptic ulcer: Bleeding Most common complication of gastric ulcer: Perforation The complication with highest mortality rate: Perforation 