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': 'In the management of pulmonary emboli, -PA (alteplase) is infused for: March 2013 \nSelect and explain. \nA. 1-3 hours, B. 4-6 hours, C. 7-9 hours, D. 10-12 hours', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. 1-3 hours Dose and time for infusion of Alteplase for Pulmonary embolism is 100 mg over 2 hours.', 'role': 'assistant'}]