A nurse is caring for a newborn on a ventilator who has respiratory distress syndrome (RDS). The nurse informs the parents that the newborn is improving. Which of the following data supports the nurse's assessment?
1. Decreased urination
2. Pulmonary vascular resistance increases.
3. Increased PCO2
4. Increased urination
4
Rationale:
1. Increased urination can be an indication that the newborn's condition is improving.
2. Pulmonary vascular resistance increases with hypoxia.
3. Increased PCO2 results from alveolar hypoventilation.
4. As fluid moves out of the lungs and into the bloodstream, alveoli open and kidney perfusion increases, increasing urine output.
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