This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'Rapid infusion of insulin cause: \nSelect and explain. \nA. Hyperkalemia, B. Hypokalemia, C. Hypernatremia, D. Hyponatremia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Hypokalemia(Ref: Ganong, 25th ed/p.432)Insulin causes potassium ions to enter into the cell. This action decreases extracellular potassium levels (hypokalemia)', 'role': 'assistant'}]