This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
[{'content': "Most common site of Curling's ulcer \nSelect and explain. \nA. Ileum, B. Stomach, C. Duodenum, D. Esophagus", 'role': 'user'}, {'content': "Answer: C \nExplanation: Duodenum [Ref Robbins 7/e p819; Curling's ulcer is acute peptic ulcer of the duodenum described in 1842 by Curling as a complication of burns. Cushing's ulcer is acute peptic ulcer of stomach, duodenum and esophagus seen in intracranial injury, operations or tumor.", 'role': 'assistant'}]