A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system does the nurse consider when evaluating the P wave?

SA node

AV node

Bundle of His

Purkinje fibers

Answer and Explanation

The Correct Answer is A

A. The P wave represents atrial depolarization, which is initiated by the SA node, the heart's natural pacemaker.
B. The AV node is responsible for conducting impulses from the atria to the ventricles but does not initiate the P wave.
C. The Bundle of His transmits the electrical impulses to the ventricles but is not directly associated with the P wave.
D. Purkinje fibers are involved in ventricular depolarization, which corresponds to the QRS complex, not the P wave.

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Correct Answer is D

Explanation

A. Explaining the importance of morning hygiene may overlook the patient's established routine and could create resistance.
B. Stating that morning baths are the "normal" routine does not acknowledge the patient's preferences, potentially causing the patient to feel invalidated.
C. Canceling hygiene for the day disregards the patient's needs and preferred routine.
D. Deferring the bath until evening respects the patient’s routine and preference, promoting patient-centered care and improving comfort and compliance with hygiene practices.

A. Certification B. Licensure C. Autonomy D. Accountability

Correct Answer is C

Explanation

A. Certification relates to additional qualifications and does not directly involve independent nursing actions in patient care.
B. Licensure is the legal permission to practice nursing but does not describe decision-making and action in patient care.
C. Autonomy is demonstrated when the nurse independently assesses the patient’s fluid status and takes action to promote health by encouraging fluid intake. This reflects the nurse’s ability to make decisions and act based on professional judgment.
D. Accountability refers to being responsible for one's actions but does not specifically cover the independent decision-making shown here.

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A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system does the nurse consider when evaluating the P wave?

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