A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker.

Which of the following images should the nurse expect?

A regular sinus rhythm.

A chaotic, irregular rhythm.

Absence of any electrical activity.

A series of spikes followed by a QRS complex.

Answer and Explanation

The Correct Answer is D

A pacemaker sends electrical signals to the heart to regulate the heartbeat.
On an electrocardiogram (ECG), these signals appear as small spikes followed by a QRS complex, which represents the contraction of the ventricles.
Choice A, A regular sinus rhythm, is not the correct answer because a regular sinus rhythm is a normal heart rhythm that originates from the sinoatrial (SA) node and does not involve a pacemaker.
Choice B, A chaotic, irregular rhythm, is not the correct answer because a pacemaker is designed to regulate the heartbeat and prevent chaotic or irregular rhythms.
Choice C, the Absence of any electrical activity, is not the correct answer because a pacemaker sends electrical signals to the heart to regulate its activity.

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Correct Answer is C

Explanation

Step 1: 100 mL ÷ 30 min

Step 2: (100 mL ÷ 30 min) × 60 min/hr

Step 3: 3.33 mL/min × 60 min/hr

Answer: 200 mL/hr

A. "This indicates a possible air leak.". B. "This means your lung is fully re-expanded.". C. "Your breathing pattern causes this.". D. "Suction pressure that is too high causes this.".

Correct Answer is C

Explanation

The fluctuation of fluid in the water-seal chamber of a chest tube is known as tidaling and is caused by the changes in pressure within the chest during respiration.
Choice A is not correct because tidaling does not indicate an air leak.
Choice B is not correct because tidaling does not necessarily mean that the lung is fully re-expanded.
Choice D is not correct because suction pressure does not cause tidaling.

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A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker. Which of the following images should the nurse expect?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is C

Explanation

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A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker.

Which of the following images should the nurse expect?