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
A drug that binds to and inhibits Gp IIb/IIIa glycoprotein and is responsible for platelet antiaggregatory effects is: 
Select and explain. 
A. Clopidogrel, B. Enoxaparin, C. Fondaparinux, D. Tirofiban
D: Tirofiban
Answer: D: Tirofiban 
Explanation: Aspirin Clopidogrel Ticlopidine 3 Act on TXA2 2 Act on ADP Abciximab Tirofiban Eptifibatide Act on GpIIb/IIIa