This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Histamine, 5-HT and PGs, Subject name: Pharmacology
[{'content': 'Buspirone acts on:- \nSelect and explain. \nA. 5HT1A, B. 5HT1B, C. 5HT2, D. 5HT3', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drugs like : Buspirone Azapirone Ipsapirone Gepirone Are used for anxiety and it acts on 5HT 1A Clozapine has high affinity for D1, D4, 5HT2, X adrenergic receptor. Ondansetron Granisetron Palonosetron Dolasetron 5HT3 receptor Antagonist Palonsetron - Maximum potency', 'role': 'assistant'}]