Upon Answering a Patient's Call Light, a Nurse Finds That

Upon answering a patient's call light, a nurse finds that the patient's wound has eviscerated. The nurse's first action is to

A) Prepare to do a dressing change with sterile Kerlix gauze.
B) Call the physician and collect sterile towels and saline.
C) Cover the wound with sterile dressings soaked in saline.
D) Obtain samples of purulent drainage and send them to the laboratory.