<prompt> Patient with hemophilia A have bleeding disorder because ofLack of platelet countLack of platelet adhesionLack of factor VIII a during activation of factor X in coagulation coscadeRelease of thromboxane A2  <response>: Hemophilia AX - linked disorder90 cases - deficiency of factor 810 cases functional defect of factor 8Factor VIII a complex is the most important activator of factor X required for conversion of prothrombin to thrombin. 