A patient receiving treatment for severe burns over more than half the body has an indwelling urinary catheter. When evaluating the patient's intake and output, what should the nurse take into consideration?
1. Urine output will be reduced in the first 24–48 hours and will then increase.
2. Urine output will be greatest in the first 24 hours after the burn injury.
3. Urine output will be reduced during the first 8 hours and will then increase as diuresis begins.
4. Urine output will be elevated due to the amount of intravenous fluids administered during the initial phases of treatment.
Correct Answer: 1
Urine output is reduced in the initial phases as the body manages the insult caused by the injury and fluids are drawn into the interstitial spaces. After the shock period passes, the patient will enter a period of diuresis, which begins between 24 and 36 hours after the burn injury.
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