This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Which of the following treatments is appropriate for tall peaked T waves, on ECG? \nSelect and explain. \nA. Atropine IV, B. Nitroprusside IV, C. Inhaled Salbutamol, D. Inhaled betamethasone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Tall or peaked T waves could be caused by hyperkalemia Salbutamol selectively produces Beta2 agonism decreasing the levels of potassium. It has an additive effect with insulin and glucose, which may in turn help shift potassium into the intracellular space. This agent lowers the serum potassium level by 0.5-1.5 mEq/L Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]