Which outcome might be expected from effectively administering warfarin?

Effectively administering warfarin is designed to achieve anticoagulation, which means it reduces the blood's ability to form clots. This medication is often prescribed to patients at risk of thromboembolic events, such as those with atrial fibrillation, deep vein thrombosis, or pulmonary embolism. By inhibiting the synthesis of certain clotting factors in the liver, warfarin decreases the likelihood of forming dangerous blood clots that can lead to strokes or heart attacks. Thus, the expected outcome of using warfarin correctly is indeed a decreased risk of clot formation, making this choice the most appropriate one in the context of its therapeutic goal.