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': 'Tirofiban is a: \nSelect and explain. \nA. Monoclonal antibody, B. Antiplatelet drug, C. Anti-inflammatory drug, D. Antianginal drug', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tirofiban is an antiplatlet drug that acts as a glycoprotein IIa /IIIb receptor antagonist. From medical pharmacology padmaja 4th edition Page no 343', 'role': 'assistant'}]