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?

Place the client in Sims' position for catheter insertion.

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

Use clean technique when changing the catheter dressing.

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