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A nurse is interpreting the ECG strip of a client who has bradycardia. Which cardiac components should the nurse identify as the role of the P wave?

A.

Early ventricular repolarization

B.

Atrial depolarization

C.

Slow repolarization of ventricular Purkinje fibers

D.

Ventricular depolarization

Answer and Explanation

The Correct Answer is B

A. Early ventricular repolarization is represented by the T wave, not the P wave.  

 

B. The P wave represents atrial depolarization, which is the electrical activity that triggers the contraction of the atria.  

 

C. Slow repolarization of ventricular Purkinje fibers is represented by the T wave, not the P wave.  

 

D. Ventricular depolarization is represented by the QRS complex, not the P wave.


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View Related questions

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

Explanation

A. Erythema (redness) can occur at the site of a gout attack due to inflammation in the affected joint.

B. Hyperuricemia (elevated levels of uric acid in the blood) is a hallmark of gout, leading to the formation of urate crystals.

C. Pain is a prominent symptom of gout, particularly during an acute attack when joints become inflamed and tender.

D. Diarrhea is not a direct complication of gout; it is more associated with gastrointestinal issues or medications.

E. Edema (swelling) can occur in the affected joint due to inflammation associated with gout.

Correct Answer is B

Explanation

A. Assessing the pedal pulses does not provide relevant information about the irregularity of the radial pulse.

B. Assessing the apical pulse for a full minute is appropriate in this situation, as it provides a more accurate measurement of the heart rate and rhythm, especially when the radial pulse is irregular.

C. Assessing the popliteal pulses with a Doppler device is not necessary and does not directly address the irregular radial pulse.

D. While a pulse oximeter can provide information about oxygen saturation, it does not assess heart rate or rhythm.

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