<prompt> Haemolytic disease of newborn is an example ofType 3 hypersensitivity reactionType2 hypersensitivity reactionAhur reactionType 4 hypersensitivity reactions  <response>: Ref Robbins 7e p211,9e p206 Autoimmune hemolytic Anemia Red cell membrane proteins Rh blood group antigens, I antigen Opsonization and phagocytosis of erythrocytes Hemolysis, anemia Autoimmune thrombocytopenic purpura thrombocytopenic Platelet membrane proteins GpIIbIIIa integrin Opsonization and phagocytosis of platelets..leads to bleeding..type 2 hypersensitivity reaction 