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Infection Control
Ch. 8 Preventing and Controlling Infection- NCLEX_Mary Ann Hogan
Question | Answer |
---|---|
Etiologic Agent | any pathogen capable of causing infection; causative agents include bacteria, virus, fungi, protozoa, rickettsiae, and helminths |
Reservoir | favorable environment in which infectious organism grows and reproduce |
Portal of exit from reservoir | route by which microorganism leaves reservoir |
Method of Transmission | mode by which microorganism is transferred from reservoir to host |
What are the 3 mechanisms of the methods of transmission? | Direct, Indirect, Airborne |
Direct Contact | physical transfer of causative agent from person to person |
Indirect Contact | transfer from reservoir to suseptible host via either a vehicle or vector |
Airborne Contact | transport of droplet nuclei or dust bearing the infectious agent by air currents |
Portal of entry to susceptible host | route by which infectious agents enters susceptible host |
Susceptible host | individual at increased risk for infection |