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
[{'content': 'Vorapaxar acts by inhibiting \nSelect and explain. \nA. GPIIa / IIIb, B. P2Y12 receptor, C. PAR - 1, D. Antithrombin - 3', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vorapaxar inhibits Protease Activated Receptor 1 (PAR1) which is a thrombin receptor and thus can be used as a antiplatelet drug in M.I', 'role': 'assistant'}]