This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychiatric Illness, Subject name: Pharmacology
[{'content': 'Drug treatment for tardive dyskinesia is \nSelect and explain. \nA. Valbenazine, B. Ropinirole, C. Tetrabenazine, D. Biperiden', 'role': 'user'}, {'content': "Answer: A \nExplanation: Tardive dyskinesia is late symptom which appears on treatment with typical antipsychotic like haloperidol. It occurs due to D2 receptor supersensitivity. Treatment of choice is valbenazine - Ropinirole is used for Restless leg syndrome - Tetrabenazine is drug used in Huntington's chorea - Biperidin is used in drug induced Parkinsonism.", 'role': 'assistant'}]