During the admitting assessment process, a client asks, "What is oliguria?" Based on the nurse's knowledge, the best response would be:
1. "Oliguria is a urine output less than 50 mL in 24 hours."
2. "Oliguria is a urine output less than 250 mL in 24 hours."
3. "Oliguria is a urine output less than 400 mL in 24 hours."
4. "Oliguria is a decreased urine output indicative of disease."
3
Oliguria is a decrease in urine output; however, this response is not specific enough. Oliguria demonstrates a urine output of 400 mL/24 hours. Anuria is a urine output of 50 mL/24 hours. Even though a urine output of less than 250 mL in 24 hours would be considered oliguria, the definition is that of less than 400 mL of urine within 24 hours.
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