This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
Drug which inhibits GPIIb/IIIa and is platelet anti Aggregatory: 
Select and explain. 
A. Clopidogrel, B. Enoxaparin, C. Fondaparinux, D. Tirofiban
D: Tirofiban
Answer: D: Tirofiban 
Explanation: Ans. D. TirofibanGP IIb/IIIA are the fibrogen activator receptor. On stimulating they activates the aggregation of platelets. Abciximab and tirofiban are the drugs which block these receptors and inhibit the platelet aggregation.