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: Pathology
[{'content': 'Platelets are stored at \nSelect and explain. \nA. 5°C for 1 month, B. 20-24°C for 5 days, C. -4°C for 3 months, D. 20-24°C for 3 days', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Platelets are stored at 20 – 24 degree Celsius with agitation. They can only be stored for 5 days.\nWhole blood and packed red cells are stored at 2 – 6 degree Celsius for 35 days.\nThe anticoagulants which are used for their storage are either CPD (Citrate, Phosphate, Dextrose) or CPDA (Citrate, Phosphate, Dextrose, Adenine).\nFresh frozen plasma is stored at –18 degree Celsius for 1 year.', 'role': 'assistant'}]