| Term | Definition |
| A, E | Types of hepatitis transmitted through food and water |
| B, C, D | Types of hepatitis that are bloodborne |
| E | Form of hepatitis uncommon in the US |
| C | Form of hepatitis without vaccine nor prophylaxis |
| Reservoir | Any place where pathogens can thrive in sufficient numbers to pose a threat |
| Natural resistance | Type of immnuity that takes the form of mechanical barriers such as skin, mucous membranes, cilia, and urine |
| Tuberculosis | Lung disease spread through airborne droplets; tested by PPD test; patients confined to special rooms (negative pressure) |
| Severe acute respiratory syndrome | SARS; An epidemic that occured in 2003 in Toronto, CA and sever Asian cities; symptoms include fever, muscle aches, dry cough, and difficulty breathing; strict precautions |
| Handwashing | Single most effective method for preventing and controlling infection |
| Neutropenic isolation | Reverse isolation; prevent patient from acquiring disease from others |
| Category specific isolation | When patient has a known disease that requires specific protection (chickenpox) |
| Clean person | Handles cassette outside of bag and handles x-ray machine |
| Contaminated person | Handles patient and cassette in bag (does not touch anything but what is relative to patient position) |