Pharmacology A.N.S. 84ccb58c Dexmedetomidine acts on which receptor for its analgesic action - A 5HT2A B D2 C a2A D D5 High-Yield Explanation Ans. is 'c' i.e., a2A o Dexmedetomidine is a centrally active selective a2A agonist.o Has been explained in previous sessions.