A Nurse Is Creating a Care Plan for a Patient $\mathrm{pH}$

A nurse is creating a care plan for a patient with a nasogastric tube. How should the nurse direct other members of the care team to check correct placement of the tube?

A) Auscultate the patients abdomen after injecting air through the tube.
B) Assess the color and $\mathrm{pH}$ of aspirate.
C) Locate the marking made after the initial $\mathrm{x}$ -ray confirming placement.
D) Use a combination of at least two accepted methods for confirming placement.