<prompt> A child suffering from acute diarrhoea is brought to the casualty and is diagnosed as having severe dehydration with pH of 7.23. Serum Na 125, Serum K 3, HCO3 16. The best I.V. fluid of choice is3 SalineN3 Saline 10 dextroseNormal salineN3 saline 5 dextrose  <response>: The fluid used in severe dehydrationBest IV fluid for severe dehydration is Ringers lactate.An ideal preparation would be Ringers lactate with 5 added dextrose, However, it is not available.If Ringers lactate is not available, normal saline solution 0.9 NaCl can be used. 