Pathology General 4cdf6ff4 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 High-Yield Explanation Involve activation of complement by IgG or IgM binding to an antigenic cell. Antigenic cell is lysed.