This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
[{'content': 'False positive OGTT is seen in all except? \nSelect and explain. \nA. Malnourished, B. Infection, C. Severe emotional stress, D. Exercise', 'role': 'user'}, {'content': 'Answer: D \nExplanation: During exercise the muscles will consume sugar; hence sugar levels can be normal in a diabetic patient. However in malnourished patients, bedridden, infection state and severe emotional stress false positive OGTT is seen. It can be explained by catecholamine surge and release of counter- regulatory hormones.', 'role': 'assistant'}]