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': 'An 18-year-old boy is admitted with psychotic behavior. On examination, he is having dystonia and in-coordination. Liver enzymes are elevated. Which of the following is a possible diagnosis? \nSelect and explain. \nA. Rheumatic Chorea, B. Westphal variant of Huntington disease, C. Wilson disease, D. Hallervorden Spatz disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Disease Differentiating Features Rheumatic chorea -Emotional lability and poor handwriting -Hung up reflexes, -Pronator sign -Daing tongue LFT is normal. Westphal variant of Huntington disease Akinetic-rigid Parkinsonism like LFT isnormal. Hallervorden Spatz disease -Parkinsonism like features -Cognitive decline -Retinal pigmentary changes Wilson disease. -Basal ganglia damage -Deranged liver function', 'role': 'assistant'}]