Shelf life of blood in a blood bank in CPDA buffer:
A
21 days
B
30 days
C
35 days
D
42 days
High-Yield Explanation
CPDA is Citrate-Phosphate-Dextrose buffer supplemented with adenine. The shelf life of RBC concentrates in CPDA is 35 days. In CPD buffer life span is 28 days.