The nurse is caring for a client with advanced coronary artery disease who has developed cardiac arrest. During the resuscitation, the health care provider prescribes atropine. Which is the intended outcome of this medication?

Suppresses ectopic ventricular sites

Increases SA node automaticity

Increases myocardial contractibility

Decreases AV node conduction

Answer and Explanation

The Correct Answer is B

A. Suppresses ectopic ventricular sites: Atropine primarily increases heart rate; it does not directly suppress ectopic ventricular activity.

B. Increases SA node automaticity: Atropine blocks the parasympathetic nervous system, increasing SA node activity and heart rate in cases of bradycardia or asystole.

C. Increases myocardial contractility: This effect is more related to drugs like inotropes (e.g., dopamine), not atropine.

D. Decreases AV node conduction: Atropine actually increases conduction through the AV node by blocking vagal stimulation.

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Correct Answer is ["B","C","D","E"]

Explanation

A. Facilitates the insertion of a pacemaker: This is not the purpose of an electrophysiology study (EPS). A pacemaker may be considered based on the results, but EPS itself does not insert the device.

B. Assesses the function of the SA node: EPS is used to assess the electrical activity of the heart, including the function of the SA node.

C. Evaluates the effectiveness of prescribed antiarrhythmic medication: EPS can help evaluate how well antiarrhythmic medications are controlling arrhythmias.

D. Identifies the location of abnormal sites within cardiac muscle: EPS is often used to locate areas of the heart responsible for abnormal electrical conduction and arrhythmias.

E. Treats certain arrhythmias through the process of ablation: One of the therapeutic purposes of EPS is to perform ablation, which can treat certain arrhythmias by destroying abnormal tissue.

A. A client with left-sided heart failure on oxygen via nasal cannula B. A client with syncope who is being discharged today C. A client scheduled for a cardiac ultrasound this morning D. A client with controlled atrial fibrillation with a heart rate of 82

Correct Answer is A

Explanation

A. A client with left-sided heart failure on oxygen via nasal cannula: This client is at risk for respiratory distress due to pulmonary congestion. Immediate assessment is needed to ensure oxygenation and manage potential deterioration.

B. A client with syncope who is being discharged today: This client is stable if being discharged, so assessment can be delayed.

C. A client scheduled for a cardiac ultrasound this morning: This is a non-urgent diagnostic procedure and does not take priority.

D. A client with controlled atrial fibrillation with a heart rate of 82: Controlled atrial fibrillation indicates stability, so this client can be assessed later.

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The nurse is caring for a client with advanced coronary artery disease who has developed cardiac arrest. During the resuscitation, the health care provider prescribes atropine. Which is the intended outcome of this medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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