The nurse is evaluating an infant for dehydration. Which assessment provides the most accurate information on dehydration?
1. Urine output
2. Urine specific gravity
3. The infant's vital signs
4. Weight loss
4
Rationale 1: The infant is unable to concentrate urine and will continue to void dilute urine.
Rationale 2: The infant's kidney is immature and unable to concentrate urine.
Rationale 3: Pulse will elevate and blood pressure may drop, but the other vital sign findings will remain unchanged. However, this is not the best assessment of dehydration.
Rationale 4: Daily weights on an infant provide the most accurate assessment of fluid balance.
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