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: Medicine
[{'content': "Wernicke's encephalopathy, during refeeding syndrome, can be precipitated in deficiency of which of the following vitamin: September 2011 \nSelect and explain. \nA. Riboflavin, B. Pyridoxine, C. Thiamin, D. Vitamin C", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. C: Thiamin In patients who are thiamin deficient, Wernicke's encephalopathy can be precipitated by refeeding with carbohydrates This is prevented by administering thiamin before staing nutritional suppo", 'role': 'assistant'}]