What is the appropriate response for a nurse to give regarding the need for IV fluids in a dehydrated infant?

The choice stating that the baby needs an IV because she is not producing any tears reflects a vital clinical sign related to hydration status in infants. In infants, the absence of tears is a strong indicator of dehydration, particularly when coupled with other signs like a dry mouth or decreased urine output. Tears typically begin to appear around a few weeks of age, and their absence may indicate that the infant is not adequately hydrated.

In cases of significant dehydration, particularly in infants, oral rehydration may not be sufficient or appropriate due to the risk of further dehydration, especially if there are issues such as vomiting. Intravenous (IV) fluids provide a controlled and immediate means of rehydration, ensuring that the infant receives the necessary volume of fluids and electrolytes to restore hydration status and maintain metabolic functions.

This understanding emphasizes the importance of assessing hydration signs and symptoms in infants, where IV fluids often become a necessary intervention for those exhibiting signs of moderate to severe dehydration.