When performing a dipstick test on a patient's urine sample, a positive leukocyte esterase and nitrite is indicative of:
A. Microscopic hematuria
B. Urinary tract infection
C. Calculi in the urine
D. Possible bladder tumor
ANS: B
With urinary tract infection, urine dipstick will show positive leukocyte esterase, positive nitrite, and greater than 3 to 5 white blood cells per high-power field.
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