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': 'Whole blood is stored in blood bank at \nSelect and explain. \nA. -4 C, B. 0 C, C. 4 C, D. 8 C', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Shipping of stored platelets to the transfusion facility should use a well-insulated container, with no ice, to maintain the temperature between 20-24deg C. Fresh frozen plasma and cryoprecipitate must be shipped at -18deg C or below. Dry ice is used to maintain the frozen state. The goal of blood preservation is to provide ble and functional blood components for patients requiring blood transfusion. More than 70% of red cells should remain ble in circulation 24hours after transfusion ofstored blood in CPDA-1 for 35 days. Theblood is stored at 2-6 degC to maintain the optimal bility.', 'role': 'assistant'}]