Pathology General 0c9bbb1e Patients with hemophilia a have bleeding disorder because of - A Lack of platelet aggregation B Lack of reaction accelerator during activation of factor X in coagulation cascade C Neutralization of antithrombin III D Release of Thromboxane A2 High-Yield Explanation Ans. is 'b' i.e., Lack of reaction accelerator during activation of factor X in coagulation cascade