| A | B |
| Asepsis | a condition that is free of pathogens |
| Chain of Infection | a set of conditions that must be met in order for a disease to be passed from one person to another |
| Communicable Disease | a disease caused by microorganisms and can be transmitted from one person to another |
| Disinfection | type of medical asepsis that destroys most pathogens, but is not always effective on viruses and spores |
| Isolation | used to prevent the spread of communicable diseases to health care workers and patients, usually involves placing a patient into a private room |
| Mircroorganisms | small living bodies that are not visible to the naked eye. |
| Nosocomial infection | infection or disease acquired by an individual within a health care facility. |
| Pathogens | microorganisms that are harmful to the body, cause disease or infection. |
| Personal Protective Equipment | must be worn to protect health care workers from contact with hazardous materials or patients with communicable diseases |
| Standard Precautions | infection control practices that must be used by health care workers for all patients, regardless of sickness. |
| Sterilization | surgical asepsis that kills all microorganisms, including viruses, spores and bacteria. |