45 year old man is brought to the emergency department 1 hour after an episode of vomiting blood. esophagogastroduodenoscopy shows an actively bleeding ulcer on the posterior wall of the duodenal bulb. a branch of which of the following arteries is the the most likely site of origin of this patient’s bleeding . A) anterior superior pancreaticoduodenal, B) gastroduodenal, C) hepatic, D) inferior pancreaticoduodenal, E) right gastroepiploic

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