A nurse is preparing to administer warfarin to a client who has atrial fibrillation. The nurse should explain that the purpose of this medication is which of the following?

To convert atrial fibrillation to sinus rhythm

To slow the response of the ventricles to the fast atrial impulses

To dissolve clots in the bloodstream

To reduce the risk of stroke in clients who have atrial fibrillation

Answer and Explanation

The Correct Answer is D

A. Warfarin does not convert atrial fibrillation to sinus rhythm; it is an anticoagulant, not a rhythm control medication.
B. Slowing ventricular response is achieved with rate-control medications like beta blockers or calcium channel blockers, not warfarin.
C. Warfarin prevents clot formation but does not dissolve existing clots.
D. Warfarin reduces the risk of stroke by preventing thrombus formation in clients with atrial fibrillation

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Correct Answer is D

Explanation

A. Class I: No limitation of physical activity; ordinary activity does not cause symptoms. This client clearly experiences symptoms with ordinary activities.
B. Class II: Slight limitation of physical activity; comfortable at rest, but ordinary activity causes fatigue, dyspnea, or chest pain. This client is more limited than Class II.
C. Class IV: Unable to carry out any physical activity without discomfort; symptoms may be present even at rest. This client does not have symptoms at rest.
D. Class III: Marked limitation of physical activity; comfortable at rest, but less-than-ordinary activity (e.g., brushing teeth, walking to the bathroom) causes fatigue, dyspnea, or chest pain. This best fits the client's condition.

A. transfer to a long-term care facility. B. arrangements for around-the-clock care. C. consult with a psychologist. D. referral to a home health care agency.

Correct Answer is D

Explanation

A. Transfer to a long-term care facility is not necessary unless the client is unable to live independently despite support.
B. Around-the-clock care is excessive for a client who can still live alone and just needs assistance with medication management.
C. A psychologist is not the appropriate referral unless there are clear signs of mental health issues.
D. Referral to a home health care agency is appropriate to support the client at home, provide medication education, monitor adherence, and reduce the risk of readmission due to medication errors.

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A nurse is preparing to administer warfarin to a client who has atrial fibrillation. The nurse should explain that the purpose of this medication is which of the following?

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Correct Answer is D

Explanation

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Correct Answer is D

Explanation

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