Shelf life of blood with CPDA

Ans. is 'c' i.e., 5 weeks Once blood is removed from the donor, it stas a sequences of in vitro changes that change its physiological propeies. Ensuring the blood and its products transfusion safe, their storage is a must. The main aim is to minimize damage to store blood. Addition of some additive solutions increases the bility of blood, paicularly RBCs: Additive Shelf life of RBC Acid-citrate-dextrose (ACD) 21 days Citrate phosphate dextrose (CPD) 21 days Citrate phosphate dextrose-adenine (CPD-A) 35 days Saline-adenine-Glucose-Mannitol (SAG-M) 42 days