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: Social & Preventive Medicine
[{'content': 'Under national programme for prevention of nutritional blindness, a child in the age group of 6-11 months is given a mega dose of vitamin A equal to: \nSelect and explain. \nA. 50,000 IU, B. 1,00,000 IU, C. 1,50,000 IU, D. 2,00,000 IU', 'role': 'user'}, {'content': "Answer: B \nExplanation: First dose is with measles at 9 months - 1, 00,000 IU After 1 year the dose is 2, 00,000 IU Vitamin A supplement is given every 6 month after first dose till 5 year age. Ref: Park's textbook of Preventive and Social Medicine, 21st edition, page-593", 'role': 'assistant'}]