A nurse is teaching a client who is to undergo placement of a nontunneled percutaneous central venous access device. Which of the following statements should the nurse include in the teaching?

"Placement of the catheter is confirmed by a CT scan."

"You will be under general anesthesia for this procedure."

"The provider will wear a mask while performing the procedure."

"Your head will be elevated as high as possible while the catheter is inserted."