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': 'Which prevents plasminogen activators? \nSelect and explain. \nA. Streptokinase, B. Aminocaproic acid, C. Reteplase, D. Clopidogrel', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Aminocaproic acid o Epsilon amino caproic acid (EACA) competitively inhibits plasminogen activation.", 'role': 'assistant'}]