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: Pharmacology
[{'content': 'Dexmedetomidine acts on which receptor for its analgesic action ? \nSelect and explain. \nA. 5HT2A, B. D2, C. a2A, D. D5', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is'c' i.e., a2ADexmeditomidine is centrally active selective alpha (a2) agonist that has been introduced for sedating critically iil ventilated patients in intensive care units.", 'role': 'assistant'}]