Alkaline urine may indicate infection with urease-producing bacteria. Which urine finding would support this condition?

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Prepare for the Urinary Elimination Test with this comprehensive quiz that includes multiple choice questions, hints, and detailed explanations. Ensure you're ready to excel in your exam!

Multiple Choice

Alkaline urine may indicate infection with urease-producing bacteria. Which urine finding would support this condition?

Explanation:
Alkaline urine indicates the presence of urease-producing bacteria. Urease hydrolyzes urea into ammonia and carbon dioxide; the ammonia raises the urine’s pH, making it alkaline. This alkaline shift is a classic sign of infection with organisms like Proteus species that produce urease. Other findings—low urine pH, ketones, or proteinuria—don’t specifically reflect urease activity: acidic urine suggests a different metabolic state, ketones point to fat metabolism or poor glucose control, and proteinuria indicates kidney pathology rather than urease-driven infection.

Alkaline urine indicates the presence of urease-producing bacteria. Urease hydrolyzes urea into ammonia and carbon dioxide; the ammonia raises the urine’s pH, making it alkaline. This alkaline shift is a classic sign of infection with organisms like Proteus species that produce urease. Other findings—low urine pH, ketones, or proteinuria—don’t specifically reflect urease activity: acidic urine suggests a different metabolic state, ketones point to fat metabolism or poor glucose control, and proteinuria indicates kidney pathology rather than urease-driven infection.

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