This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'An obese patient presented in casualty with random blood sugar 400 mg%, urine sugar +++ and ketones 1-E Drug useful in management with be - \nSelect and explain. \nA. Glibenclamide, B. Troglitazsone, C. Insulin, D. Metformin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans,, is 'c' i.e., Insulin o Insulin is the drug of choke in patients with diabetic ketoacidosis.", 'role': 'assistant'}]