This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Which of the following belongs to antifibrinolytic drugs \nSelect and explain. \nA. Alteplase, B. Urokinase, C. Aprotinin, D. Reteplase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Antifibrinolytic drugs promote blood clotting by preventing blood clots from breaking down. Some examples of antifibrinolytic drugs are aprotinin, tranexamic acid (TXA), epsilon-aminocaproic acid and aminomethylbenzoic acid. Doctors sometimes give these drugs to patients having surgery to prevent blood loss. Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]