Oliguria is defined as which of the following?

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Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Multiple Choice

Oliguria is defined as which of the following?

Explanation:
Oliguria means decreased urine production. In adults, it is commonly defined as less than 400 mL of urine in a 24-hour period. This threshold distinguishes reduced output from normal or excessive urine production. The other scenarios describe either polyuria (urine output over about 2 liters in 24 hours), anuria (no urine output for 24 hours), or normal urine output with flank pain, none of which fit oliguria. In clinical practice, oliguria signals possible volume depletion, renal hypoperfusion, or obstruction and prompts evaluation of hydration, blood pressure, and kidney function.

Oliguria means decreased urine production. In adults, it is commonly defined as less than 400 mL of urine in a 24-hour period. This threshold distinguishes reduced output from normal or excessive urine production. The other scenarios describe either polyuria (urine output over about 2 liters in 24 hours), anuria (no urine output for 24 hours), or normal urine output with flank pain, none of which fit oliguria. In clinical practice, oliguria signals possible volume depletion, renal hypoperfusion, or obstruction and prompts evaluation of hydration, blood pressure, and kidney function.

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