This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': "Drugs used for treatment of Parkinson's disease include: \nSelect and explain. \nA. Levodopa, B. Mazindol, C. Bromocriptine, D. Benserazide", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Levodopa,bromocryitine and benserazide are used in Parkinsonism. *Mazindol is a potent anirectic agent. It has an additional peripheral effect of increasing metabolic rate. *Acyclovir is an antiviral agent, not used in Parkinsonism. Ref KD Tripathi 8th ed.', 'role': 'assistant'}]