The nurse is assessing the patency of a client’s left arm arteriovenous fistula prior to initiating hemodialysis. Which finding indicates that the fistula is patent?
Palpation of a thrill over the fistula.
Presence of a radial pulse in the left wrist.
Visualization of enlarged blood vessels at the fistula site.
Capillary refill less than 3 seconds in the nail beds of the fingers on the left hand.
The Correct Answer is A
Choice A reason: Palpation of a thrill, a vibrating sensation, indicates blood flow and patency in an arteriovenous fistula. This aligns with hemodialysis access assessment, making it the correct finding the nurse would use to confirm the fistula is patent.
Choice B reason: A radial pulse in the wrist is normal but doesn’t confirm fistula patency, which requires a thrill. Palpation of a thrill is specific, making this incorrect, as it’s not a direct indicator of fistula function in hemodialysis preparation.
Choice C reason: Enlarged vessels may suggest fistula development but don’t confirm active flow. A thrill indicates patency, making this incorrect, as it’s less specific than the nurse’s assessment of a palpable thrill over the fistula site.
Choice D reason: Capillary refill less than 3 seconds assesses distal perfusion, not fistula patency. Palpation of a thrill is the standard, making this incorrect, as it’s unrelated to the nurse’s evaluation of the arteriovenous fistula for hemodialysis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Limiting dietary fiber is incorrect for IBS, as soluble fiber helps regulate bowel movements. This indicates a need for further teaching, making it the correct statement, as it contradicts the nurse’s instructions to include fiber for IBS symptom management.
Choice B reason: Drinking 8 to 10 cups of fluid daily supports hydration and bowel function in IBS, showing understanding. This is incorrect, as it aligns with the nurse’s teaching, unlike the fiber limitation statement requiring further client education.
Choice C reason: Eating regular meals and chewing well stabilizes digestion in IBS, reflecting correct understanding. This is incorrect, as it aligns with the nurse’s instructions, unlike the fiber limitation statement that indicates a need for further teaching.
Choice D reason: Taking prescribed medications to regulate bowel patterns is appropriate for IBS management, showing understanding. This is incorrect, as it aligns with the nurse’s teaching, unlike the incorrect fiber limitation statement needing further client instruction.
Correct Answer is C
Explanation
Choice A reason: Providing breaths follows compressions in ACLS after defibrillation for pulseless ventricular tachycardia. Resuming compressions is immediate, making this incorrect, as it delays the nurse’s priority to restore circulation post-shock in the client’s code situation.
Choice B reason: Assessing the pulse occurs after 2 minutes of compressions, not immediately post-defibrillation. Resuming compressions is the priority, making this incorrect, as it’s premature compared to the nurse’s focus on continuing CPR in pulseless ventricular tachycardia.
Choice C reason: Resuming chest compressions immediately after defibrillation maintains circulation in pulseless ventricular tachycardia per ACLS guidelines. This aligns with code management, making it the correct next step for the nurse to perform to optimize the client’s resuscitation efforts.
Choice D reason: Epinephrine is given after the second shock or per protocol, not immediately post-defibrillation. Compressions are the priority, making this incorrect, as it’s not the next step in the nurse’s ACLS sequence for managing the client’s arrhythmia.
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