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?

Prepare the client for a chest x-ray to verify catheter placement.

Use clean technique when changing the catheter dressing

Verify the amount of TPN solution the client is receiving every 4 hr.

Place the client in Sims' position for catheter insertion.