NCLEX PN Practice Test Practice Question
The nurse is caring for a client who has a single-chamber atrial pacemaker. Which of the following findings would the nurse expect to observe on the client's electrocardiogram strip?
Correct Answer: B
Rationale: A single-chamber atrial pacemaker paces the atrium, producing a spike before the P wave (B), followed by normal conduction. Spikes on T waves (A) are abnormal, wide QRS (C) suggests ventricular issues, and prolonged PR (D) is unrelated to pacing.
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