An autoantibody pattern indicates what about the antibody?

Master the CAMLPR Transfusion Test with interactive questions and detailed explanations. Boost your knowledge and ensure you're exam-ready with comprehensive study resources!

Multiple Choice

An autoantibody pattern indicates what about the antibody?

An autoantibody pattern means the antibody is directed against the person’s own red blood cells, not against donor cells. In serologic testing, this shows up as reactivity with the patient’s red cells and often a positive autocontrol, distinguishing it from alloantibodies that only react with donor antigens. It’s not limited to neonates—autoantibodies can occur in adults too and can be clinically significant, causing autoimmune hemolytic anemia or complicating transfusion. The idea that such antibodies are only found in neonates or are always clinically insignificant isn’t correct.

An autoantibody pattern means the antibody is directed against the person’s own red blood cells, not against donor cells. In serologic testing, this shows up as reactivity with the patient’s red cells and often a positive autocontrol, distinguishing it from alloantibodies that only react with donor antigens. It’s not limited to neonates—autoantibodies can occur in adults too and can be clinically significant, causing autoimmune hemolytic anemia or complicating transfusion. The idea that such antibodies are only found in neonates or are always clinically insignificant isn’t correct.

More practice questions