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
Daily regularment of Vit A in children is - 
Select and explain. 
A. 40, B. 400, C. 1500, D. 5000
B: 400
Answer: B: 400 
Explanation: Daily requirement in children is 400mcg. (1-6yrs) Ref : Park 25th edition Pgno : 653