This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Blood can be stored with CPD A for 
Select and explain. 
A. 15 days, B. 21 days, C. 30 days, D. 45 days
C: 30 days
Answer: C: 30 days 
Explanation: Blood can be stored for 21 days with CPD ( Citrate phosphate dextrose ) Blood can be stored upto 35 days with CPD A ( Citrate phosphate dextrose adenine )