This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parkinsonism and other movement disorders, Subject name: Medicine
[{'content': 'A 65-year-old has suffered from essential tremor for many years. Her symptoms are exacerbated by stress and fatigue and some evenings she is unable to cook or make herself a cup of tea because of it. Which of the following is the most appropriate first-line treatment? \nSelect and explain. \nA. Pramipexole, B. Topiramate, C. Propranolol, D. Diazepam', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Generally essential tremor requires no treatment but if the quality of life is affected then Propranolol should be given.', 'role': 'assistant'}]