This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Pediatrics
[{'content': 'Molar ratio of sodium & glucose in WHO reduced osmolarity ORS is: \nSelect and explain. \nA. 1:01, B. 1:02, C. 1:04, D. 2:01', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. 1:1Composition of WHO recommended ORS.Constituentg/lmmol/ion Sodium chloride2.6Sodium75Glucose, anhydrous13.5Chloride65Potassium chloride1.5Potassium20Trisodium citrate dihydrate2.9Citrate10Total Osmolarity245mosmol/L', 'role': 'assistant'}]