A patient received a blood transfusion that contained a foreign red cell antigen. The patient developed antibody to this foreign antigen. In this case a/an __________ response has occurred.

Question

Quizplus · Accepted Answer

An alloimmune response occurs when an individual develops an immune response to antigens on cells or tissues of another individual of the same species. In this case, the patient received a blood transfusion containing foreign red cell antigen, which triggered an alloimmune response and elicited the formation of antibodies against it. Autoimmune response occurs when the immune system mistakenly attacks self-antigens, drug-induced response occurs as a reaction to a medication, non-immune response occurs without involving the immune system, and allergic response occurs as a hypersensitivity reaction to an allergen.

A Patient Received a Blood Transfusion That Contained a Foreign