How should the nurse interpret the rhythm shown on the electrocardiogram strip shown in the diagram?

asystole

ventricular fibrillation

sinus tachycardia

sinus bradycardia

Answer and Explanation

The Correct Answer is B

A. Asystole: Asystole would show a flat line with no electrical activity, which is not seen here.

B. Ventricular fibrillation: Ventricular fibrillation is characterized by chaotic, irregular waveforms without distinct P waves, QRS complexes, or T waves. The ECG strip shows this disorganized, erratic electrical activity consistent with ventricular fibrillation.

C. Sinus tachycardia: Sinus tachycardia would display a regular rhythm with identifiable P waves, QRS complexes, and T waves at a faster rate. This is not present in the ECG strip.

D. Sinus bradycardia: Sinus bradycardia would show a slower rate but with an organized rhythm and distinct P, QRS, and T waves. This is not indicated in the strip.

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Correct Answer is A

Explanation

A. +4 pitting edema is characterized by severe pitting that creates a deep indentation (greater than 8 mm) that remains for a prolonged period. This description matches the findings in option A.

B. This describes +1 pitting edema, which is not consistent with +4 edema.

C. This option describes +2 or +3 pitting edema, as the indentation subsides rapidly, which does not align with +4.

D. Although this describes deep pitting, the depth is less than 8 mm, which is not consistent with +4 edema.

A. Right Upper Quadrant B. Right Lower Quadrant C. Left Upper Quadrant D. Left Lower Quadrant

Correct Answer is C

Explanation

A. The right upper quadrant is typically associated with gallbladder or liver issues, not duodenal ulcers.

B. The right lower quadrant is primarily associated with appendicitis or other conditions involving the appendix.

C. The left upper quadrant is where the duodenum is located, making it the appropriate area to assess for pain related to a duodenal ulcer.

D. The left lower quadrant is often associated with conditions affecting the sigmoid colon or left ovary but not typically with duodenal ulcers.

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How should the nurse interpret the rhythm shown on the electrocardiogram strip shown in the diagram?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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