Blood typing is based on

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Study for the NHCO Phlebotomy Test. Experience flashcards and multiple-choice questions with hints and explanations. Prepare effectively for your phlebotomy exam!

Multiple Choice

Blood typing is based on

Explanation:
Blood typing is determined by the antigens on the surface of red blood cells. The presence or absence of A and B antigens defines the ABO types (A, B, AB, or O), and the presence or absence of the D antigen defines Rh factor (positive or negative). In typing, antibodies against these antigens are used to see if the cells agglutinate, revealing which antigens are present. This is essential for safe transfusions because mixing incompatible antigens and antibodies can trigger a serious reaction. The color of plasma, white blood cell types, or platelet counts do not determine blood type.

Blood typing is determined by the antigens on the surface of red blood cells. The presence or absence of A and B antigens defines the ABO types (A, B, AB, or O), and the presence or absence of the D antigen defines Rh factor (positive or negative). In typing, antibodies against these antigens are used to see if the cells agglutinate, revealing which antigens are present. This is essential for safe transfusions because mixing incompatible antigens and antibodies can trigger a serious reaction. The color of plasma, white blood cell types, or platelet counts do not determine blood type.

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