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': 'According to WHO, all are true about Reduced osmolarity ORS (in mmol/L) except: \nSelect and explain. \nA. Glucose -90, B. Na-75, C. Potassium - 20, D. Citrate - 10', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Reduced Osmolarity ORS - Na+ 75 mmol /L K+ 20 mmol /L Cl- 65 mmol/L Citrate 10 mmol/L Glucose 75 mmol/L Total 245 mmol/L', 'role': 'assistant'}]