A single unit of whole blood contains 450mls of blood and 50mls of an anticoagulant. The primary components of whole blood are erythrocytes, platelets and plasma. When packed red blood cells are well preserved, they can be stored for up to………. before it is discarded
1 point
42 days at 4 degree Celsius
30 days at 2 degree Celsius
50 days at 2 degree Celsius