When developing a plan of care for a patient requiring a nasogastric (NG) tube, the nurse recognizes that it is essential to implement which technique in measuring the length of the tube?
A. Measure from the nose to the ear to the patient's navel.
B. Measure from the nose to the middle of the sternum.
C. Measure and mark a point 30 inches from the end.
D. Mark the 50-cm point on the tube, measure in the traditional way, and insert halfway between the two spots.