This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Shelf life of platelets to blood bank is 
Select and explain. 
A. 5 days, B. 7 days, C. 10 days, D. 21 days
A: 5 days
Answer: A: 5 days 
Explanation: Platelets are approved by FDA for stored upto 5days at 20-24 (RoomTemperature) because of risk of bacterial contamination. REF: ROBBINS pathology 10th edition