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: Medicine
[{'content': 'In Wilsons disease, copper deposition occurs in - \nSelect and explain. \nA. Pons, B. Medulla, C. Cerebellum, D. Basal ganglia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: C.N.S. involvement in Wilson’s disease\n\nIn the brain, the toxic injury primarily affects the basal ganglia particularly the putamen which demonstrates atrophy and cavitation.\n\nThe involvement of basal ganglia produces extrapyramidal symptoms which are -\n\nDystonia\nIncoordination\nTremor\nDysphagia\nDysarthria\nChorea\n\n\nMemory loss, migraine headaches and seizures too can occur.\nPatients can have difficulty in concentrating on tasks but cognition is usually not impaired.\nRemember that Sensory abnormalities and muscular weakness are not seen in this diseased', 'role': 'assistant'}]