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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Correct. A renal ultrasound is an imaging test that uses sound waves to create images of the kidneys. It can help identify kidney stones, obstructions, and other structural abnormalities in the urinary tract.
B. Incorrect. The renal ultrasound does not directly measure the glomerular filtration rate (GFR), which is typically assessed through blood tests.
C. Incorrect. A renal ultrasound does not provide information about the number and types of blood cells in the bloodstream.
D. Incorrect. While a renal ultrasound can visualize the blood vessels in the kidneys, its primary purpose is to assess kidney structure, not blood flow.
Correct Answer is C
Explanation
A. Incorrect. Acute renal failure is not a chronic condition; it is an acute condition that develops rapidly and is typically reversible with prompt treatment.
B. Incorrect. While long-term uncontrolled diabetes can lead to chronic kidney disease, acute renal failure is not caused by chronic kidney damage related to diabetes.
C. Correct. Acute renal failure, also known as acute kidney injury (AKI), is characterized by a sudden and temporary loss of kidney function. It is often caused by factors such as decreased blood flow to the kidneys, kidney damage, or obstruction of the urinary tract.
D. Incorrect. While the statement is partially true, it does not capture the acute and sudden nature of acute renal failure. The inability of the kidneys to filter waste products from the blood is one of the manifestations of AKI.
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