For example: If you have blood type A, it’s imperative that you don’t receive a B type transfusion, as you have antibodies that will destroy B antigens. If a person has A, B or O blood type, their plasma contains antibodies that destroy the antigens that the person doesn’t have. AB - red blood cells have the A and B antigens.B - red blood cells have only the B antigen.A - red blood cells have only the A antigen. ![]() This is determined by two antigens on the red blood cells: The most important blood group system is ABO, in which your blood is classified as A, B, O or AB. The donor’s blood type is identified at the Blood Centre, and the patient’s blood type is determined before transfusion. As a result, blood type match is of critical importance. ![]() An antigen is a structure on the cell surface that causes a human immune response reacts to if the structure is foreign to the person’s body. Human blood type is determined by antigens on the red blood cells. If a doctor talks about your blood type, usually he or she is referring to two things: your type in the ABO system and Rhesus (Rh) factor.
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