Idiopathic thrombocytopenic purpura is due to which type of hypersensitivity?: (A) Type I Hypersensitivity, (B) Type II Hypersensitivity, (C) Type III Hypersensitivity, (D) Type IV Hypersensitivity
Answer is B. Involve activation of complement by IgG or IgM binding to an antigenic cell.
Antigenic cell is lysed.