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: Surgery
[{'content': 'Stress ulcers are caused by all of the following Except \nSelect and explain. \nA. Burns, B. Catisol therapy, C. penicillin therapy, D. Pulmonary insufficiency', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Stress ulcer occurs as a sequel of serious illness like pulmonary insufficiency or injury due to burns or can be due to long-term application of coisol. Bailey and love&;s edition 24, page no:1036', 'role': 'assistant'}]