The Nurse Assists a Surgeon with Central Venous Catheter Insertion

The nurse assists a surgeon with central venous catheter insertion. Which action is necessary to help maintain sterile technique?

A) Closing the patient's door to limit room traffic while preparing the sterile field
B) Using clean procedure gloves to handle sterile equipment
C) Placing the nonsterile syringes containing flush solution on the sterile field
D) Remaining 6 inches away from the sterile field during the procedure