This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Pathology
[{'content': 'Shelf life is maximum for \nSelect and explain. \nA. Whole blood, B. FFP, C. PRBC, D. Platelet concentrate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Frozen Plasma - The shelf life is 1 year from the date of collection. Thawed Plasma - The shelf life of thawed plasma is either 24 hours or 5 days, depending on the plasma product.', 'role': 'assistant'}]