What is a blood group and what is their role in blood transfusion
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Answer:
The ABO blood group is the most important of all the blood group systems. ... If ABO incompatible red cells are transfused, red cell haemolysis can occur. For example if group A red cells are infused into a recipient who is group O, the recipient's anti-A antibodies bind to the transfused cells.
Answer:
A blood type is a classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells.These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system.
The role in blood transfusion
he accurate grouping of blood is very important when it comes to having a blood transfusion. If blood is given to a patient that has a blood type that is incompatible with the blood type of the blood that the patient receives, it can cause intravenous clumping in the patient’s blood which can be fatal. The patient’s body can start producing antibodies that attack the antigens on the blood cells in the blood that was given to the patient, causing reaction and rejection.
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For example, a patient who is blood group B has naturally occurring Anti-A antibodies in their blood plasma. If this (blood group B) patient receives blood group A red cells, the Anti-A antibodies in the plasma of the patient will cause the blood group A red cells to clump intravenously (within the veins), which is life threatening.
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