Hemophilia Is a Disorder in Which Bleeding Is Severe and Prolonged

question 78

Multiple Choice

Hemophilia is a disorder in which bleeding is severe and prolonged due to a lack of clotting factor VIII. The factor activation cascade is interrupted at the Factor IX activation step. Which pathway is inhibited by this interruption?

• A)The extrinsic clotting mechanism
• B)The Hageman mechanism
• C)The prothrombin clotting mechanism
• D)The intrinsic clotting mechanism