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: Pharmacology
[{'content': 'All are side effects of salbutamol EXCEPT: \nSelect and explain. \nA. Palpitation, B. Muscle tremors, C. Sedation, D. Throat irritation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Side effects of salbutamol:\n\nPalpitation\nMuscle tremors\nThroat irritation\nNervousness\nAnkle edema', 'role': 'assistant'}]