A nurse is educating a family about bleeding disorders while they await the results of their child's laboratory testing. Which of the following statements accurately describes the differences in the causes of hemophilia A, hemophilia B, and von Willebrand disease? (Select All that Apply.)

Hemophilia A is a result of insufficient or absent factor VIII.

Von Willebrand disease is a disorder that occurs because of excess production of von Willebrand Factor.

Hemophilia B results from insufficient or absent factor IX.

Von Willebrand disease is a disorder that occurs because of absent or insufficient von Willebrand Factor.

Hemophilia A is a result of insufficient or absent fibrinogen.