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
Platelets are stored at 
Select and explain. 
A. 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
B: 20-24°C for 5 days
Answer: B: 20-24°C for 5 days 
Explanation: Platelets are stored at 20 – 24 degree Celsius with agitation. They can only be stored for 5 days.
Whole blood and packed red cells are stored at 2 – 6 degree Celsius for 35 days.
The anticoagulants which are used for their storage are either CPD (Citrate, Phosphate, Dextrose) or CPDA (Citrate, Phosphate, Dextrose, Adenine).
Fresh frozen plasma is stored at –18 degree Celsius for 1 year.