A nurse is caring for a client who has a new prescription for warfarin.Which of the following is a therapeutic use of this medication?

Choice A rationaleWarfarin is an anticoagulant that is used to prevent venous thrombosis and thromboembolic events by inhibiting the synthesis of vitamin K-dependent clotting factors.Choice B rationaleWarfarin is not used to prevent angina pectoris, which is typically managed with nitrates, beta-blockers, or calcium channel blockers.Choice C rationaleWarfarin is not used to treat bradycardia, which is usually managed with medications like atropine or pacemaker implantation.Choice D rationaleWarfarin is not used to treat hypertension. Antihypertensive medications such as ACE inhibitors, beta-blockers, or diuretics are used for this purpose.