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: Unknown
[{'content': 'Platelets in stored blood do not live after - \nSelect and explain. \nA. 24 hours, B. 48 hours, C. 72 hours, D. 96 hours', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 72 hours Whole blood (stored at 4degC)|||Packed RBCPlatelet Rich Plasmao Stored at 4degCo Use within 20 dayso Stored at room tempo Use within 8-12 hours ||~ |Platelet concentrateFresh frozen plasmao Stored at room tempo Use within 8-12 hourso Can be used till one yearo Stored at -20degC |||CryoprecipitateCryosupernetanto Rich in vWF, fibrinogen, factor VIII and fibronectino Can be used till one yearo Has all coagulation and plasma proteins except vWF, fibrinogen, factor VIII", 'role': 'assistant'}]