This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peptic Ulcer Disease, Subject name: Medicine
[{'content': 'Bleeding from lesser curvature in gastric ulcer, source of bleeding is? \nSelect and explain. \nA. Right gastro -epiploic aery, B. Right omento duodenal, C. Pancreatoduodenal aery, D. Left gastric aery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ulcer located along the lesser curve of the stomach and posterior duodenal bulb are at greater risk for severe bleeding and rebleeding due to the proximity of the left gastric aery and gastroduodenal aery, respectively. The moality rate for bleeding peptic ulcers is approximately 6%-7%.', 'role': 'assistant'}]