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. Constipation and abdominal pain are not typical manifestations of the fluid and electrolyte imbalance seen in acute renal failure.
B. Correct. Acute renal failure can lead to imbalances in electrolytes, particularly potassium and sodium. Muscle weakness and fatigue are common manifestations of these electrolyte imbalances.
C. Incorrect. Decreased heart rate and blood pressure are more commonly associated with fluid volume depletion in prerenal acute renal failure, rather than electrolyte imbalances.
D. Incorrect. Increased respiratory rate and depth are not typically associated with acute renal failure or its fluid and electrolyte imbalances.
Correct Answer is B
Explanation
A. Incorrect. Withholding food and drink for 24 hours is not necessary for a CT scan with contrast dye.
B. Correct. Before a CT scan with contrast dye, it is essential to assess the client for allergies, especially to iodine and shellfish. Contrast dyes used in CT scans contain iodine, and clients with allergies to iodine or shellfish may have an allergic reaction to the contrast dye.
C. Incorrect. While administering intravenous fluids may be beneficial in certain situations, it is not a specific precaution for a CT scan with contrast dye.
D. Incorrect. Removing jewelry and metallic objects is a standard precaution for all imaging procedures, but it is not specific to a CT scan with contrast dye.
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