A nurse is assisting with preparing a client who is to have a central venous catheter inserted for the administration of total parenteral nutrition (TPN). Which of the following actions should the nurse take?

A. Prepare the client for a chest x-ray to verify catheter placement. A chest x-ray is required after central venous catheter insertion to confirm proper placement before initiating total parenteral nutrition (TPN). Incorrect placement can lead to complications such as pneumothorax, arterial puncture, or catheter malposition, making verification essential for safe administration. B. Use clean technique when changing the catheter dressing. Central venous catheter dressings require sterile technique, not clean technique, to prevent bloodstream infections. Proper infection control measures, including hand hygiene, chlorhexidine skin antisepsis, and sterile gloves, help minimize the risk of catheter-related bloodstream infections. C. Verify the amount of TPN solution the client is receiving every 4 hr. TPN is typically monitored continuously, with infusion rates checked at least hourly to ensure proper administration. Regular assessments of fluid balance, glucose levels, and electrolyte status are also necessary to prevent complications such as hyperglycemia or fluid overload. D. Place the client in Sims' position for catheter insertion. The preferred position for central venous catheter insertion is Trendelenburg or supine, which helps dilate the veins and reduces the risk of air embolism. Sims’ position (lying on the left side with the right knee flexed) is not appropriate for this procedure.