A 30-year-old woman has dysuria. Urinalysis shows nitrites and leukocyte esterase. Which organism is most common?
Answer and explanation
Correct answer: C. Escherichia coli
- Step 1: E. coli causes most uncomplicated urinary tract infections. Answer: Escherichia coli. Why not the others: Staphylococcus saprophyticus, Proteus mirabilis and Klebsiella pneumoniae don't fit.
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