<prompt> In ORS, the effect of glucose on sodium absorption is: September 2005Increase in sodium absorptionDecrease in sodium absorptionVariable effect on sodium absorptionNo effect on sodium absorption  <response>: Ans. A: Increase in sodium absorption Oral 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. 