Drug which can act as antagonis of Haloperidole ?: (A) Ropinirole, (B) Clozapine, (C) Imipramine, (D) Pimozide
Answer is A. Ans. is'a'i.e., Ropinirole Haloperidol is an antipsychotic, acts by > D2 receptor blockage.Ropinirole is an antiparkinsonian drug, acts by > D2 receptor agonist.