This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
The time taken for air to reach the descending colon in a normal infant is 
Select and explain. 
A. 1-2 hours, B. 3-4 hours, C. 5-6 hours, D. 8-9 hours
D: 8-9 hours
Answer: D: 8-9 hours 
Explanation: The time taken to reach the descending colon in an infant is 7-9 hrs approximately Reference: GHAI Essential pediatrics, 8th edition