A nurse on a telemetry unit is assessing a client who is receiving continuous cardiac monitoring. The client's heart rate is 69/min and the PR interval is 0.24 seconds. The nurse should interpret this finding as which of the following cardiac rhythms?
Atrial fibrillation
First-degree AV block
Premature ventricular contraction
Sinus bradycardia
The Correct Answer is B
The correct answer is B.
Choice A reason: Atrial fibrillation is characterized by a rapid, irregular heartbeat and an absence of distinct P waves on the ECG, which is not indicated by the information provided.
Choice B reason: First-degree AV block is indicated by a prolonged PR interval without affecting the overall heart rate, aligning with the client’s PR interval of 0.24 seconds.
Choice C reason: Premature ventricular contraction would show an abnormal QRS complex on the ECG, which is not mentioned in the scenario.
Choice D reason: Sinus bradycardia is defined by a heart rate less than 60 bpm, which does not apply here as the client’s heart rate is 69/min, within the normal range of 60-100 bpm.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is choice C. The nurse should ask the client what the voices are telling them, because this can help assess the client’s risk for harm to self or others, and also show empathy and respect for the client’s experience.
The nurse should not assume that the client’s hallucinations are related to medication noncompliance, as this can be perceived as accusatory and judgmental (choice A).
The nurse should not focus on the duration of the hallucinations, as this is not the priority at this time (choice B).
The nurse should not invalidate the client’s reality by stating that they do not hear anything, as this can cause mistrust and alienation (choice D).
The nurse should use therapeutic communication techniques to establish rapport and safety with the client who has schizophrenia.
Correct Answer is D
Explanation
The correct answer is choice D. Sit at or below the client’s eye level during feedings.
This action helps the client feel more comfortable and less intimidated by the nurse. It also allows the nurse to observe the client’s swallowing and signs of aspiration more easily.
Choice A is wrong because talking with the client during her feeding can distract her from swallowing properly and increase the risk of aspiration.
The nurse should encourage the client to focus on eating and avoid conversation until the feeding is over.
Choice B is wrong because discouraging the client from coughing during feedings can prevent her from clearing her airway and expelling any food particles that might have entered the trachea.
The nurse should monitor the client for coughing, choking, or changes in voice quality, which are indicators of aspiration.
Choice C is wrong because instructing the client to lift her chin when swallowing can actually make swallowing more difficult and increase the risk of aspiration.
The nurse should instruct the client to tuck her chin when swallowing, which helps close off the trachea and direct food into the esophagus.
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