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
[{'content': 'Glycoprotein IIb/IIIa receptor antagonist is: \nSelect and explain. \nA. Clopidogrel, B. Abciximab, C. Tranexamic acid, D. Ticlopidine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abciximab is glycoprotein IIa/IIIb receptor antagonist. Ticlopidine and Clopidogrel are ADP antagonist. From medical pharmacology padmaja 4th edition Page no 343', 'role': 'assistant'}]