Which of the Following Actions Should the Nurse Implement to Verify

Which of the following actions should the nurse implement to verify the correct placement of an endotracheal tube (ET) after insertion?

A) Auscultate for the presence of bilateral breath sounds.
B) Obtain a portable chest radiograph to check tube placement.
C) Observe the chest for symmetrical movement with ventilation.
D) Use an end-tidal CO₂ monitor to check for placement in the trachea.