Sterile field is created as close as possible to time of use. A. Covering sterile tables is not recommended. Sterile areas are continuously kept in view. A. Sterility cannot be ensured without direct observation. An unguarded sterile field should be considered contaminated.
Sterile persons keep well within sterile area.
A. Sterile persons pass each other back to back or front to front. B. Sterile person faces a sterile area to pass it. C. Sterile persons stay within the sterile field. They do not walk around or go outside the room. D. Movement is kept to a minimum to avoid contamination of sterile items or persons.