A nurse is assessing a client who has atrial fibrillation.
Which of the following pulse characteristics should the nurse expect?
Not palpable.
Slow.
Irregular.
Bounding.
The Correct Answer is C
Choice A rationale
A pulse that is not palpable indicates severe circulatory collapse or cardiac arrest, not a characteristic of atrial fibrillation. It can be an emergency requiring immediate intervention.
Choice B rationale
A slow pulse, or bradycardia, is not a typical feature of atrial fibrillation. Bradycardia is often associated with conditions like hypothyroidism or beta-blocker therapy rather than atrial fibrillation.
Choice C rationale
Atrial fibrillation is characterized by an irregularly irregular pulse due to disorganized electrical activity in the atria, leading to inconsistent ventricular contractions. Pulse rate can vary widely.
Choice D rationale
A bounding pulse, which is strong and forceful, is typically associated with conditions like fever or hyperthyroidism rather than atrial fibrillation. Bounding pulses are not characteristic of atrial fibrillation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Flushed, warm legs are characteristic of chronic venous insufficiency, not peripheral artery disease, which results in poor arterial blood flow and cool extremities.
Choice B rationale
Thin, pliable toenails suggest nutritional deficiencies or fungal infections, not advanced peripheral artery disease, which often leads to thick, brittle nails.
Choice C rationale
Hairy legs are indicative of adequate blood flow. In peripheral artery disease, decreased blood flow results in hair loss on the legs.
Choice D rationale
Leg pain at rest, called rest pain, signifies advanced peripheral artery disease due to severe arterial insufficiency and poor oxygen supply to tissues. .
NGN QUESTIONS
Correct Answer is A
Explanation
Choice A rationale
The first upward deflection in an ECG represents the P wave, indicating atrial depolarization. It precedes the QRS complex and corresponds to the electrical activity associated with atrial contraction, initiating the cardiac cycle.
Choice B rationale
The peak of the first wave corresponds to the R wave, not the P wave. The R wave is a part of the QRS complex, representing ventricular depolarization, and is not associated with atrial depolarization.
Choice C rationale
The downward deflection following the peak is the S wave, part of the QRS complex, indicating ventricular depolarization. It is not related to the P wave, which specifically represents atrial depolarization.
Choice D rationale
The second upward deflection is the T wave, which represents ventricular repolarization. It follows the QRS complex and is not associated with atrial depolarization or the P wave.
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