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
Zinc supplemental given in 12 month baby- 
Select and explain. 
A. 1 gm\/day, B. 10 mg\/day, C. 5 mg\/day, D. 15 mg\/day
C: 5 mg\/day
Answer: C: 5 mg\/day 
Explanation: For adults 12mg per day. For infants 5mg per day. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 625