Outline the basic principles of sterile technique.

Outline should include how to establish and maintain a sterile field (e.g., use of personal protective equipment, preparation of materials, avoidance of contact with nonsterile items and surfaces). 

Process/Skill Questions:

• How is personal protective equipment used to ensure sterile environments?
• Why is a sterile field necessary in some instances of respiratory therapy?
• What could be a consequence of failure to maintain a sterile field?