Although more than 400 blood groups have been identified,the ABO blood group system remians the mostimpoant in clinical medicne because :

Question

Accepted Answer

ABO(H) antibodies are invariably present in plasma when persons RBC lacks the corresponding antigen

Answer

It was the first blood group system to be discovered

Answer

It has four different blood groups A,B, AB, O (H).

Answer

ABO(H) antigens are present in most body tissues and fluids.

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