alleryStart learning →Leukocyte esterase found in a urine sample is taken as indirect evidence of what?
ADamage to the glomerular membrane
BAn infection of the urinary tract
CA stone lodged in the ureter
DExcess fat metabolism in the body
Answer & Solution
Correct answer: B. An infection of the urinary tract
1. Cells are not normally found in urine.
2. Leukocytes appearing in urine point toward a urinary tract infection.
3. Leukocyte esterase is the enzyme those leukocytes release, so detecting it is indirect evidence of the same infection.
4. Protein leaking into urine, not leukocyte esterase, is what signals a damaged glomerulus.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.1 Physical Characteristics of Urine_
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