A client with acute renal failure is undergoing a computed tomography (CT) scan with contrast dye. What precaution should the nurse take before the procedure?
Withhold all food and drink for 24 hours.
Assess the client's allergies, especially to iodine and shellfish.
Administer intravenous fluids to prevent dehydration.
Have the client remove all jewelry and metallic objects.
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Correct. Angiotensin-converting enzyme (ACE. inhibitors can contribute to prerenal acute renal failure, especially in clients with preexisting cardiovascular disease. These medications may cause vasodilation and decrease blood flow to the kidneys, leading to impaired kidney function.
B. Incorrect. Beta-blockers are not directly associated with prerenal acute renal failure.
C. Incorrect. Calcium channel blockers are not typically associated with prerenal acute renal failure.
D. Incorrect. Thiazide diuretics may cause electrolyte imbalances and metabolic disturbances, but they are not a common cause of prerenal acute renal failure.
QUESTIONS
Correct Answer is C
Explanation
A. Incorrect. Increased urine output and polyuria are not associated with uremia. In fact, acute renal failure often leads to decreased urine output (oliguria or anuriA. .
B. Incorrect. Hypertension and bradycardia are not typical manifestations of uremia.
C. Correct. Uremia is a condition characterized by the buildup of waste products and toxins in the blood due to impaired kidney function. Clinical manifestations of uremia include confusion (encephalopathy), nausea and vomiting, and pericarditis (inflammation of the pericardium, the sac surrounding the heart).
D. Incorrect. Decreased respiratory rate and shallow breathing are not directly associated with uremia.
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