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': 'Thrombolytics can provide relative moality reduction in the treatment of acute myocardial infarction, if patient comes within: \nSelect and explain. \nA. 6 hours, B. 12 hours, C. 18 hours, D. 24 hours', 'role': 'user'}, {'content': 'Answer: A \nExplanation: They should be given within 6 hours but preferably immediately because early treatment largely reduces moality. From medical pharmacology padmaja 4th edition Page no 342', 'role': 'assistant'}]