A patient has had recent mechanical heart valve surgery and is receiving anticoagulant therapy. While monitoring the patient's laboratory work, the nurse interprets that the patient's international normalized ratio (INR) level of 3 indicates that:

A patient has had recent mechanical heart valve surgery and is receiving anticoagulant therapy. While monitoring the patient's laboratory work, the nurse interprets that the patient's international normalized ratio (INR) level of 3 indicates that:

Unfractionated heparin binds to antithrombin III and inactivates clotting factor(s).

Low molecular weight heparins differ from conventional heparin in that

Blood level of which clotting factor declines most rapidly after the initiation of warfarin therapy

Anticoagulants are indicated in