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
[{'content': 'Daily total requirement of iodine by an adult person is:- \nSelect and explain. \nA. 90 mcg, B. 12 mcg, C. 150 mcg, D. 5 grams', 'role': 'user'}, {'content': 'Answer: C \nExplanation: -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.', 'role': 'assistant'}]