Not a vessel wall condition leading to bleeding -

Ans. is 'b' i.e., Autoimmune thrombocytopenic purpura Bleeding disorders caused bv vessel wall abnormalities are as follows :-o Infections: meningococcemia, rickettsioseso Drug induced leukocytoclasticvasculitiso Scurvy, EhlerDanlos syndrome, Cushing's syndromeo Henoch-Schonleinpurpurao Hereditary' hemorrhagic telangiectasia (Weber-Osler-rendu syndrome)o Perivascular amyloidosisNote : Autoimmune thrombocytopenic purpura is a bleeding disorder primarily caused due to thrombocytopenia.