This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Which of the following drugs is not suitable for management of essential tremors \nSelect and explain. \nA. Diazepam, B. Levodopa, C. Metoprolol, D. Propranolol', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Essential tremors improve in about 50% of people with small amount of alcohol. Beta blockers and primidone and also diazepam can be given. But there is no use in giving levo dopa. Reference : Davidson, 23rd Edition, page no : 1115.', 'role': 'assistant'}]