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: Medicine
[{'content': 'A convulsion during diarrhea is because of? \nSelect and explain. \nA. Hypokalemia, B. Hyponatremia, C. Hyperkalemia, D. Hypernatremia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANSWER: (B) HyponatremiaREF: Harrison\'s 17th ed chapter 46"Diarrhea leads to ECF contraction and Hyponatremia which may lead to seizures"', 'role': 'assistant'}]