This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
Aery to bleed in duodenal ulcer haemorrhage - 
Select and explain. 
A. Splenic aery, B. Gastroduodenal aery, C. Left gastric aery, D. Sup. mesenteric aery
B: Gastroduodenal aery
Answer: B: Gastroduodenal aery 
Explanation: Gastro duodenal aery is the most common aery involved in duodenal ulcer hemorrhage. Also, remember A peptic ulcer is the most common cause of massive upper gastrointestinal bleed (Duodenal ulcers > Gastric ulcers) Bleeding ulcers in the duodenum are usually located on the posterior surface of the duodenal bulb. Ref : Bailey & Love 25/e p1045