Pathology Which of the following is not true about idiopathic thrombocytopenic purpura? A Antibodies of IgM class B Autoantibodies to Gp IIb/ Ilia or IB IX C Increased megakaryocytes in bone marrow D Spleen is normal in size 💡 Explanation Which of the following is not true about idiopathic thrombocytopenic purpura? ✓ Correct Answer: A. Antibodies of IgM class