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Plasma

IT IS SAID TH...

Question

IT IS SAID THAT A RBC LIVES FOR ONLY 120 DAYS AND GETS DESTROYED AFTER THAT? BUT IN BLOOD BANKS BLOOD IS PRESERVED FOR MORE THAN 120 DAYS. HOW IS IT PRESERVED AND WHAT ARE THE PRESERVATIVES USED?

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Solution

Blood has a short shelf storage life. RBC's can be stored from 21 to 40 days only. Once outside the body an anticoagulant like Acid Citrate Dextrose (ACD) or Citrated Phosphate Dextrose (CPD) is added in order to prevent the blood from clotting.

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