Which antibody is associated with blood group incompatibility in transfusions?

Which antibody is associated with blood group incompatibility in transfusions?

Step 1: Understand that blood groups are determined by specific antigens on the surface of red blood cells.
Step 2: Know that when a person receives blood from a different blood group, their immune system may recognize the foreign antigens.
Step 3: Identify that the immune system produces antibodies to attack these foreign antigens.
Step 4: Recognize that IgM is a type of antibody that is particularly effective at causing agglutination, which means clumping together of red blood cells.
Step 5: Conclude that IgM antibodies are associated with blood group incompatibility during transfusions because they can cause the red blood cells to clump together, leading to serious complications.

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