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: Surgery
When rectal washouts are given to Hirshsprung's disease, the following fluid is used - 
Select and explain. 
A. 5% dextrose, B. Normal saline, C. Soap solution, D. Tap water
B: Normal saline
Answer: B: Normal saline 
Explanation: Ans. is 'b' i.e., Normal saline