This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
Recommended daily dose of Iodine in a child is: 
Select and explain. 
A. 120-200 mg, B. 90-120 mg, C. 30-60 mg, D. 500 mg
B: 90-120 mg
Answer: B: 90-120 mg 
Explanation: b. 90-120mg(Ref: Nelson's 20/e p 2663)The recommended dietary allowance of iodine is 30mg/kg/24hr for infants, 90-120mg/24hr for children, and 150mg/24hr for adolescents and adults.