This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
A 2 year old boy with Vitamin A deficiency is treated with 
Select and explain. 
A. 1 lakh IU on days 0,1,14, B. 1 lakh IU on days 0,1,6, C. 2 lakh IU on days 0,1,14, D. 2 Lakh IU on days 0,1,6
C: 2 lakh IU on days 0,1,14
Answer: C: 2 lakh IU on days 0,1,14 
Explanation: * Treatment for Vitamin A defiiency is given 3 doses. Days 0,1,14 with doses appropriate for the age. Less than six months of age-50000 IU per dose, 6-12 months of age-100000 IU and >1 year- 200000 IU per dose. Ref:- K Park, 24th ed; pg num:- 654