1. You respond that intraoperative awareness occurs:

B. In one-fifth of one percent of surgeries.

2. Mrs. Parks' daughter says that she recently learned about BIS monitors in a nursing class. She wants to know how useful they are in preventing intraoperative awareness. You respond:

D. They may be useful, but research has shown them to be less than 100% effective.

3. Mrs. Parks asks if she has to have general anesthesia for her hip surgery, or if there is another option. You respond:

B. Regional anesthesia may be a possibility, and the anesthesiologist or nurse anesthetist will discuss the options with her before surgery.