This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Nutritional Deficiencies, Subject name: Social & Preventive Medicine
Dose of vitamin A prophylaxis required by a 9 month old child is:- 
Select and explain. 
A. 10,000 IU, B. 100,000 IU, C. 200,000 IU, D. 10,00,000 IU
B: 100,000 IU
Answer: B: 100,000 IU 
Explanation: Under the new recent guidelines in NIS, vitamin -A is given: GROUP DOSE 6 months - 1 year of age 1 lakh IU orally 1 - 6 years of age 2 lakh IU orally - I lakh IU = 30mg - According to NIS, Vit A is staed at the age of 9 months and given for every 6 months until the child reaches 5yrs of age. - Thus, total 9 doses of vit A is given.