This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'RDA in infant of Vit A is - \nSelect and explain. \nA. 350 g, B. 450 g, C. 600 g, D. 1000 g', 'role': 'user'}, {'content': "Answer: A \nExplanation: - daily intake of vitamin A recommended by ICMR for infants is 350 mcg retinol. - daily intake of vitamin A recommended by ICMR for infants is 2800 mcg beta carotene. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:616 <\\p>", 'role': 'assistant'}]