Final answer:
The nurse should call radiology and request a chest x-ray to confirm the placement of the tube.
Step-by-step explanation:
The most appropriate action for the nurse to take when preparing to administer a tube feeding through a small bore feeding tube that has been in place for several days is option d. This means the nurse should call radiology and request a chest x-ray to confirm the placement of the tube. This is important to ensure that the tube is correctly positioned in the stomach or small intestine and avoid any complications.