This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
[{'content': 'ORS WHO glucose in mmol/L \nSelect and explain. \nA. 75, B. 120, C. 9, D. 111', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) 75 CONCENTRATIONS OF INGREDIENTS IN REDUCED OSMOLARITY ORSIngredientg/LMolecule/ionmmol/L* Sodium chloride (NaCI)2.6Sodium75* Glucose, anhydrous (C6H12O6)13.5Glucose75* Potassium chloride (KCI)1.5Potassium20* Chloride65 * Trisodium citrate, dehydrate Na3C6H5O7-2H2O2.9Citrate10', 'role': 'assistant'}]