Match drugs with their receptor that they inhibit (1) 5 {\HT}_{1 {\A}} agonist (P) Cisapride (2) 5 {\HT}_3 antagonist (Q) Ketanserine (3) 5 {\HT}_{2 {\A}} antagonist (R) Ondensetron (4) 5 {\HT}_4 agonist (S) Buspiron

Correct Answer is : 1−S,2−R,3−Q,4−P

1- {\S}, 2- {\R}, 3- {\Q}, 4- {\P}