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
A child of age 9 needed prophylaxis of vitamin A. The dose and route of administration is:September 2009 
Select and explain. 
A. 1,00,000 IU intramuscularly, B. 1,00,000 IU orally, C. 2,00,000 IU intramuscularly, D. 2,00,000 IU orally
B: 1,00,000 IU orally
Answer: B: 1,00,000 IU orally 
Explanation: Ans. B: 1,00,000 IU Orally