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
In ORS, the effect of glucose on sodium absorption is:September 2005 
Select and explain. 
A. Increase in sodium absorption, B. Decrease in sodium absorption, C. Variable effect on sodium absorption, D. No effect on sodium absorption
A: Increase in sodium absorption
Answer: A: Increase in sodium absorption 
Explanation: Ans. A: Increase in sodium absorptionOral fluid therapy is based on the observation that glucose given orally enhances the intestinal absorption of salt and water, and is capable of correcting the electrolyte and water deficit.