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 C

Explanation

A. Competent nurses have typically worked in a specific area for 2-3 years, developing an understanding of patient care specific to that field.
B. Proficient nurses have advanced understanding and experience, allowing them to see care situations as whole parts rather than in separate steps.
C. In a new specialty area, the nurse is considered a novice, as they lack experience and expertise in obstetrics despite previous nursing experience.
D. Advanced beginners have some experience but still need support; however, this would apply only if the nurse had some previous obstetric experience.

A. Patient-centered care B. Quality improvement C. Teamwork and collaboration D. Safety

Correct Answer is B

Explanation

A. Patient-centered care emphasizes understanding the patient’s needs and preferences, but it does not specifically address practice gaps.
B. Quality improvement focuses on identifying and addressing discrepancies between current practices and best practices, aiming to improve patient care outcomes.
C. Teamwork and collaboration involve working effectively with others to provide care, not directly identifying practice gaps.
D. Safety is about preventing harm to patients, but quality improvement is more focused on systematic evaluation and process improvement.

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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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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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