A nurse is preparing to perform a diagnostic test to assess kidney function in a client with suspected acute renal failure. Which test will provide information about the glomerular filtration rate (GFR)?
Complete blood count (CBC. .
Serum creatinine level.
Urinalysis.
Renal ultrasound.
The Correct Answer is B
A. Incorrect. A complete blood count (CBC. provides information about the number and types of blood cells but does not assess kidney function.
B. Correct. Serum creatinine level is a commonly used blood test to assess kidney function. Elevated levels of creatinine in the blood indicate impaired glomerular filtration and decreased kidney function.
C. Incorrect. Urinalysis provides information about the presence of substances such as protein, blood, and glucose in the urine but does not directly assess GFR.
D. Incorrect. Renal ultrasound is an imaging test that provides information about the structure of the kidneys but does not directly measure GFR.
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Related Questions
Correct Answer is C
Explanation
A. Incorrect. Increasing the rate of dialysis may further lower the client's blood pressure and worsen the situation.
B. Incorrect. Administering an antihypertensive medication during a hypotensive episode could exacerbate the client's low blood pressure.
C. Correct. The nurse's priority action is to stop the dialysis procedure immediately and notify the healthcare provider of the significant drop in blood pressure. The client may be experiencing a hypotensive episode, which requires prompt evaluation and intervention.
D. Incorrect. Increasing the client's
fluid intake is not appropriate during a hypotensive episode, as it may not rapidly improve blood pressure and could lead to fluid overload.
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.
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