This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Osmolarity of ReSoMal – \nSelect and explain. \nA. 200, B. 300, C. 311, D. 350', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ReSoMal (Rehvdration Solution for Severely Malnourished Child) \n\nThis represents the oral rehydration fluid recommended by WHO for severely undernourished children.\nThese children are deficient in potassium and have relatively high levels of sodium.\nReSoMal solution is therefore specifically designated with a lower sodium concentration and higher potassium', 'role': 'assistant'}]