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 A
Explanation
A. Correct. Dehydration is a significant risk factor for prerenal acute renal failure. Insufficient fluid intake or excessive fluid loss (e.g., vomiting, diarrheA. can lead to decreased blood volume and decreased blood flow to the kidneys, impairing kidney function.
B. Incorrect. A UTI can cause kidney injury but is not specifically associated with prerenal acute renal failure.
C. Incorrect. Chronic kidney disease (CKD. is a risk factor for the development of intrinsic acute renal failure, but it is not directly related to prerenal causes.
D. Incorrect. Diabetes mellitus is a risk factor for chronic kidney disease, but it is not a specific risk factor for prerenal acute renal failure.
Correct Answer is C
Explanation
A. Incorrect. Hypertension is a risk factor for prerenal acute renal failure, not postrenal.
B. Incorrect. While a UTI can cause kidney injury, it is not directly related to postrenal acute renal failure.
C. Correct. An enlarged prostate, also known as benign prostatic hyperplasia (BPH), can cause obstruction of the urinary tract and lead to postrenal acute renal failure. The obstruction prevents urine flow, causing pressure buildup in the kidneys and impairing kidney function.
D. Incorrect. Chronic kidney disease (CKD. is a risk factor for intrinsic acute renal failure, not postrenal.
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