Hypersensitivity & Autoimmunity

Type II: Cytotoxic Reactions – the body makes special autoantibodies directed against its own cells (NEED TO KNOW THE TYPES FOR THE EXAM)  Hemolytic Anemias – involves lysis, ABO blood incompatibility (maternity – Rh factors)  Immune Thrombocytopenic Purpura – decreases number of platelets in the blood; the immune system attacks and destroys platelets o S/S: bruising, bleeding, pinpoint-sized reddish-purplish spots on the lower legs  Hemolytic Transfusion Reactions – b...