Question

the nurse recognizes which is an important fact about warfarin?

1. the risk of bleeding continues after it is discontinued.
2. it should not be given for more than a few weeks.
3. it must be given several times a day to be effective.
4. it can be given parenterally if the client is npo.

Explanation:

1. Warfarin has a long half - life and its anticoagulant effect persists even after discontinuation, so the risk of bleeding continues.
2. Warfarin can be used long - term for conditions like atrial fibrillation or post - thrombotic therapy, so option 2 is wrong.
3. Warfarin is typically given once a day, so option 3 is wrong.
4. Warfarin is only available in oral form (and some non - parenteral forms for specific uses), it cannot be given parenterally, so option 4 is wrong.

Answer:

1. The risk of bleeding continues after it is discontinued.