This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'All of the following are true about potassium, except \nSelect and explain. \nA. Mostly concentrated inside the cells, B. Leaves the cell in the presence of insulin, C. Ingestion of acetazolamide results in potassium loss, D. Plasma concentration increases at time of metabolic acidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Insulin increases permeability of the cell to potassium, magnesium,phosphate ions.the effect of potassium is clinically impoant, insulin activates sodium potassium pump causing influx of potassium Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 610,611,612', 'role': 'assistant'}]