This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Zinc dose in diarrhea of 7 months infant ? 
Select and explain. 
A. 10 mg x 10 days, B. 20 mg x 10 days, C. 10 mg x 14 days, D. 20 mg x 14 days
D: 20 mg x 14 days
Answer: D: 20 mg x 14 days 
Explanation: Ans. is 'd' i.e., 20 mg x 14 days According to WHO guidlines Dose of zinc 2 month - 6 month = 10 mg/day 14 days > 6 month = 20 mg/day 14 days