This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Glycoprotein IIb/IIIa receptor antagonist is : 
Select and explain. 
A. Clopidogrel, B. Abciximab, C. Tranexamic acid, D. Ticlopidine
B: Abciximab
Answer: B: Abciximab 
Explanation: None