what do you mean by blood donation
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Answer:
A blood donation occurs when a person voluntarily has blood drawn and used for transfusions and/or made into biopharmaceutical medications by a process called fractionation (separation of whole-blood components). Donation may be of whole blood, or of specific components directly (the latter called apheresis).
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Answer:Blood donation is a voluntary procedure that can help save the lives of others. There are several types of blood donation, which help meet different medical needs.
Blood donation is a voluntary procedure that can help save the lives of others. There are several types of blood donation, which help meet different medical needs.Whole blood donationThis is the most common type of blood donation, during which you donate about a pint of whole blood. The blood is then separated into its components — red cells, plasma, platelets.During apheresis, you are hooked up to a machine that can collect
Platelet donation (plateletpheresis) collects only platelets — the cells that help stop bleeding by clumping and forming plugs (clotting) in blood vessels.Donated platelets are commonly given to people with leukemia, people receiving chemotherapy and babies with severe infections.Double red cell donation allows you to donate twice the amount of red blood cells than you normally would during a whole blood donation. Red blood cells deliver oxygen to the entire body.People with a medical need for only red blood cells include those with severe blood loss, such as after an injury or accident, and those who have anemia with serious symptomsPlasma donation (plasmapheresis) collects the liquid portion of the blood (plasma). Plasma helps blood clot and contains proteins and other substances, such as electrolytes, that help the body function normally.Plasma is commonly given to people with liver conditions, burns and severe bacterial infections in their blood
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