This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'Injury to corpus striatum leads to \nSelect and explain. \nA. Chorea, B. Parkinsonism, C. Hemiballisimus, D. Athetosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Injury to corpus striatum leads to chorea.Ref: Ganong&;s review of medical physiology; 23rd edition; Page no: 252', 'role': 'assistant'}]