The nurse places an infant with a tracheoesophageal fistula under a radiant warmer with the infant's head elevated at a 45-degree angle. Which statement by the mother indicates an understanding of the most important reason for this position?

A. Elevating the head reduces the risk of aspiration, which is the most serious complication of TEF. B. Incorrect → TEF prevents proper digestion because food cannot pass into the stomach. C. Incorrect → Positioning does not significantly affect gastric pressure. D. Incorrect → Lung function is not directly improved by this position. The goal is aspiration prevention.