A client with acute renal failure is scheduled for a magnetic resonance imaging (MRI) scan. What information should the nurse provide to the client about this imaging test?
"You will need to drink a contrast solution before the MRI scan."
"The MRI scan will assess your kidney function by measuring the glomerular filtration rate (GFR)."
"The procedure involves inserting a needle through the back to obtain a tissue sample from the kidneys."
"You will need to remove all metal objects and devices before the MRI scan."
The Correct Answer is D
A. Incorrect. Unlike computed tomography (CT) scans, MRI scans do not typically require the ingestion of a contrast solution.
B. Incorrect. The MRI scan does not directly measure the glomerular filtration rate (GFR), which is typically assessed through blood tests.
C. Incorrect. A renal biopsy involves inserting a needle through the back to obtain a tissue sample from the kidneys, not an MRI scan.
D. Correct. Before an MRI scan, clients need to remove all metal objects and devices, including jewelry, piercings, hearing aids, and certain medical implants. Metal can interfere with the MRI's magnetic field and cause safety concerns during the procedure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Incorrect. Increasing sodium intake would exacerbate fluid retention and worsen the client's fluid overload.
B. Correct. Limiting fluid intake to the prescribed amount helps manage fluid balance in clients with acute renal failure, especially those experiencing fluid overload.
C. Incorrect. Rapid administration of intravenous fluids may worsen fluid overload and increase the risk of edema and hypertension.
D. Incorrect. Encouraging the client to drink water freely would exacerbate fluid overload and impair the body's ability to eliminate excess fluids.
Correct Answer is C
Explanation
A. Incorrect. Increased urine output and polyuria are not associated with uremia. In fact, acute renal failure often leads to decreased urine output (oliguria or anuriA. .
B. Incorrect. Hypertension and bradycardia are not typical manifestations of uremia.
C. Correct. Uremia is a condition characterized by the buildup of waste products and toxins in the blood due to impaired kidney function. Clinical manifestations of uremia include confusion (encephalopathy), nausea and vomiting, and pericarditis (inflammation of the pericardium, the sac surrounding the heart).
D. Incorrect. Decreased respiratory rate and shallow breathing are not directly associated with uremia.
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