When providing intermittent nasogastric feedings to an infant with failure to thrive, which method is preferred to confirm tube placement before each feeding? 1. Obtain a chest x-ray. 2. Verify that...

When providing intermittent nasogastric feedings to an infant with failure to thrive, which method is preferred to confirm tube placement before each feeding?

1. Obtain a chest x-ray.

2. Verify that the gastric PH is less than 5.5.

3. Auscultate the stomach while instilling an air bolus.

4. Compare the tube insertion length to a standardized chart.