21. All of the following statements are true regarding factor IX except:

14. In hemophilia A patients, factor VIII:C should be maintained at a level of at least __________ percent of normal activity.

21. All of the following statements are true regarding factor IX except:

14. In hemophilia A patients, factor VIII:C should be maintained at a level of at least __________ percent of normal activity.

38. Heparin therapy is most effective in the __________ state of DIC with evident vascular thrombosis.

31. Clinical manifestations of heterozygous AT-III deficiency (such as thrombotic episodes before age 40) may occur in association with:

51. Advantages of the APTT over the anti-factor Xa chromogenic assay for monitoring intravenous heparin therapy include all of the following except:

51. Advantages of the APTT over the anti-factor Xa chromogenic assay for monitoring intravenous heparin therapy include all of the following except:

4. Activated protein C is capable of degrading which activated plasma factors in the presence of its cofactor protein S?

4. Activated protein C is capable of degrading which activated plasma factors in the presence of its cofactor protein S?