<prompt> Which of the following drug is NOT a Gp IIbIIIa antagonist?TirofibanAbciximabEptifibatidePrasugrel  <response>: Ans. D PrasugrelRef: Katzung 13e p596, KDT 8e p677Prasugrel is an antagonist of P2 Y12 receptors of ADP like clopidogrel.GpIIbIIIa antagonists includeAbciximabTirofibanEptifibatide 