This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: RDA, Nutritional Requirements, Subject name: Social & Preventive Medicine
Daily total requirement of iodine by an adult person is:- 
Select and explain. 
A. 90 mcg, B. 12 mcg, C. 150 mcg, D. 5 grams
C: 150 mcg
Answer: C: 150 mcg 
Explanation: -Daily total requirement of Iodine in : Adult person : 150 mcg Pregnant women : 250 mcg During lactation: 220-290 mcg - Lifetime requirement of iodine: 5 grams.