This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health programmes in India, Subject name: Social & Preventive Medicine
[{'content': 'The vitamin A supplement administered in "Prevention of nutritional blindness in children programme" contain - \nSelect and explain. \nA. 25,000 i.u\\/ml, B. 1 lakh i.u\\/ml, C. 3 lakh i.u\\/ml, D. 5 lakh i.u\\/ml', 'role': 'user'}, {'content': 'Answer: B \nExplanation: parks textbook of preventive and social medicine 23rd edition. * under national programme for prevention od nutritional blindness,beneficiaries were preschol children (1-5years ) it focussed on administration of massive dose vitamin A upto five years .first dose of 100,000 IU with measles vaccination at nine months and subsequent doses of 200,000 IU each,every six months upto the age of five years .', 'role': 'assistant'}]