The Nurse Helps the Health Care Provider Get Supplies and Monitor

The nurse helps the health care provider get supplies and monitor the patient during an emergency insertion of a femoral line at the patient's bedside.Which nursing behavior helps to maintain the sterile environment?

A) Avoid reaching over the field.
B) Wear a sterile cap and booties.
C) Use sterile examination gloves.
D) Place a face mask on the patient.