A patient with chronic kidney disease asks why a high-potassium salt substitute is not recommended. Which response is best?
Correct answer: A. Damaged kidneys may not remove extra potassium
- A. Damaged kidneys may not remove extra potassium
- B. Salt substitutes always cause severe sodium loss
- C. Potassium is removed only during peritoneal dialysis
- D. High-potassium foods directly damage the bladder
Explanation
Reduced kidney function can impair potassium excretion, causing hyperkalaemia and potentially dangerous cardiac dysrhythmias. Many salt substitutes contain potassium chloride, so the patient should use them only if specifically approved by the renal team.
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About Renal and Urological Nursing
Covers assessment and care for urinary tract infection, glomerulonephritis, nephrotic syndrome, acute kidney injury, chronic kidney disease, renal stones and urinary obstruction. The subject includes intake and output, urinalysis, fluid restriction, dialysis care and the difference between prerenal, intrinsic and postrenal kidney injury.
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