Which urinalysis finding most strongly supports an upper urinary tract infection involving the renal tubules?
Correct answer: A. White blood cell casts
- A. White blood cell casts
- B. Occasional squamous epithelial cells
- C. Small numbers of mucus threads
- D. A few calcium oxalate crystals
Explanation
White blood cell casts form within renal tubules and strongly suggest renal inflammation, such as pyelonephritis. Squamous cells usually indicate contamination, while mucus and crystals are not specific evidence of an upper urinary infection.
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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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50 free Renal and Urological Nursing MCQs from Medical Surgical Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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