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 ["A","C","D"]

Explanation

A. Increased blood pressure occurs due to excess fluid volume increasing vascular pressure.
B. Hematocrit typically decreases in fluid overload due to dilution, not increases.
C. Increased respiratory rate is common due to pulmonary congestion or edema.
D. Increased heart rate occurs as the heart works harder to manage the excess fluid volume.
E. Increased temperature is not a typical finding in fluid overload.

A. High-quality CPR with minimal interruptions B. Cessation at resuscitation attempts after 2 minutes C. Administration of Narcan until an electrical rhythm is obtained D. Continuous defibrillation until an electrical rhythm is obtained

Correct Answer is A

Explanation

A. High-quality CPR with minimal interruptions is the cornerstone of asystole management. Asystole is a non-shockable rhythm, so maintaining perfusion through effective chest compressions and administering appropriate medications (like epinephrine) is essential.
B. Cessation of resuscitation efforts after only 2 minutes is inappropriate; the decision to stop should be based on the clinical scenario and response to interventions over time.
C. Narcan (naloxone) is used for opioid overdose, not for treating asystole unless there is a suspected opioid-related cause—and it does not directly restore electrical cardiac rhythm.
D. Defibrillation is not indicated in asystole, as it is a non-shockable rhythm. Continuous defibrillation is ineffective and inappropriate.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has fluid overload. Which of the following findings should the nurse expect? (Select all that apply.)

Correct Answer is ["A","C","D"]

Explanation

A client who has been transported to the emergency room after a motor vehicle accident is experiencing asystole. Management of asystole focuses on:

Correct Answer is A

Explanation

The nurse is teaching a beginning ECG class to staff nurses. As the nurse begins to discuss the parts of the ECG complex, one of the students asks what the normal order of conduction through the heart is. The correct response would be which of the following?

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