This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Histaminics, Subject name: Pharmacology
[{'content': 'Buspirone is: \nSelect and explain. \nA. 5HT-1 agonist, B. 5HT-2 antagonist, C. H1 agonist, D. 5HT-2 antagonist', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. 5HT-1 agonistBuspirone is 5Ht-1 partial agonist which is given as antianxiety drug. They inhibit the neurotransmission of serotonin.', 'role': 'assistant'}]