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: Social & Preventive Medicine
ORS should be discarded 
Select and explain. 
A. After 6 hours 13., B. After 12 hours, C. After 24 hours, D. After 36 hours
C: After 24 hours
Answer: C: After 24 hours 
Explanation: After 24 hours