Which of the following tests is NOT positive when a patient has a urinary tract infection?

Question

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Ketone bodies in the urine are typically a sign of diabetes or starvation, not a direct indicator of a urinary tract infection (UTI). Nitrite, protein, and leukocytes can all be positive in the case of a UTI, with nitrite indicating the presence of bacteria that convert nitrate to nitrite, and leukocytes indicating inflammation or infection.

Which of the Following Tests Is NOT Positive When a Patient