A client scheduled for a CT scan of the abdomen with contrast has a baseline creatinine level of 2.3 mg/dL. In preparing this client for the procedure, the nurse anticipates what orders?
Preprocedure hydration with 0.45% NaCl
Administration of acetylcysteine
Hemodialysis immediately prior to the CT scan
Obtain a creatinine clearance by collecting a 24-hour urine specimen.
The Correct Answer is B
A. Preprocedure hydration with 0.45% NaCl may be considered, but isotonic fluids like 0.9% NaCl are generally preferred to help flush the contrast agent.
B. Administration of acetylcysteine is commonly ordered to help reduce the risk of contrast-induced nephropathy in clients with elevated creatinine levels.
C. Hemodialysis prior to the CT scan is not routinely performed unless the client is already dialysis-dependent.
D. Creatinine clearance via 24-hour urine is not an urgent pre-procedure requirement; the elevated serum creatinine already indicates impaired renal function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Wrapping the AV fistula in gauze is not necessary unless there's a dressing for a new fistula or bleeding — routine wrapping is not recommended.
B. Taking blood pressure in the arm with an AV fistula is contraindicated because it can damage the fistula.
C. Assessing for a bruit (with a stethoscope) and a thrill (by palpation) is essential to confirm that the AV fistula is functioning properly for dialysis.
D. While keeping the area clean is important, keeping it dry is not a specific routine requirement unless directed due to a wound or infection.
Correct Answer is B
Explanation
A. Hypercalcemia is not typically associated with prerenal AKI; calcium levels may be normal or low.
B. Hyperkalemia is common in AKI due to impaired renal excretion of potassium, especially in prerenal cases where perfusion is decreased.
C. Hypernatremia is less common; more often, dilutional hyponatremia may occur if fluid shifts are present.
D. Hypophosphatemia is not typical; phosphate levels tend to rise in AKI due to decreased excretion.
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