<prompt> Which of the following acts at site A?AspirinVorapaxarAbciximabTicagrelor  <response>: Ans. B. VorapaxarVorapaxar does not affect ADP-mediated platelet aggregation, coagulation parameters, or bleeding time.A. Protease-activated receptor-1 PAR-1 antagonists-VorapaxarB. Adenosine diphosphate ADP receptor inhibitors - Ticlopidine, Clopidogrel, Prasugrel, TicagrelorC. Glycoprotein IIBIIIA inhibitors -Abciximab, Eptifibatide, TirofibanD. Irreversible cyclooxygenase inhibitors- AspirinE. OthersPhosphodiesterase PDE3 inhibitor -CilostazolAdenosine reuptake inhibitor - Dipyridamole 