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 C
Explanation
A. Incorrect. Muscle weakness and fatigue are manifestations of hyperkalemia, but they are not the most critical indicators of severe hyperkalemia.
B. Incorrect. Tingling sensations in the extremities are not the most critical indicator of severe hyperkalemia.
C. Correct. The most critical manifestation of severe hyperkalemia is an irregular heart rhythm (dysrhythmiA. , which can be life-threatening.
D. Incorrect. Excessive thirst and dry mucous membranes are not specific to hyperkalemia and are not the most critical indicators of severe hyperkalemia.
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.
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