This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antiplatelets and Fibrinolytics, Subject name: Pharmacology
[{'content': 'Half life of alteplase is ? \nSelect and explain. \nA. 5mins, B. 30mins, C. 1 hour, D. 2 hour', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 5 mins o Alteplase has a very short half-life (about 5 minutes) and, therefore, is administered as a total dose equal to 0.9mg kg.o Ten percent of the total dose injected intravenously as a bolus and the remaining drug is administered over 60 minutes.", 'role': 'assistant'}]