A nurse is explaining the purpose of a renal ultrasound to a client with acute renal failure. What information can the nurse provide about this imaging test?
"The renal ultrasound will help identify kidney stones or obstructions in the urinary tract."
"This test will assess your kidney function by measuring the glomerular filtration rate (GFR)."
"A renal ultrasound will provide information about the number and types of blood cells in your bloodstream."
"This test will examine the blood vessels in your kidneys and assess blood flow to the kidneys."
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. Incorrect. While protein intake may need to be adjusted in acute renal failure, increasing protein intake is not typically recommended during the acute phase, as it may place additional stress on the kidneys.
B. Correct. Limiting potassium-rich foods is essential for clients with acute renal failure, as impaired kidney function can lead to hyperkalemia (high potassium levels), which can be life-threatening.
C. Incorrect. A high-sodium diet is not recommended in acute renal failure, as it can exacerbate fluid retention and fluid overload.
D. Incorrect. Fluid restriction is not typically recommended in acute renal failure, especially if the client is experiencing fluid depletion and dehydration.
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