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my micro unit 2
| Question | Answer |
|---|---|
| epidemiology | study of the spread of disease. |
| symbiosis | means to live together. |
| normal microbiota | microbes that hang out on our body without causing disease. |
| opportunistic pathogens | "takes advantage of" 1. weak immune systems 2. change in normal flora 3. when normal flora goes to an unusual site in the body |
| true pathogen | do not need an opportunity or reason to attck, they will just simply attack. |
| portal of entry | this is where pathogens enter the body. Examples: cuts, incision sites, ears, eyes, mouth, (basically any opening into the skin) |
| etiology | the study of the cause of disease. |
| syndrome | a collection of symptoms and signs. |
| symptom | subjective date (this is what the patient feels, ex: nauseated, weak, pain) |
| sign | objective data (this is what can be measured, ex: blood pressure, elevated heart rate etc.) |
| pathogenicity | the ability to cause disease. |
| virulence | the "degree" of pathogenicity. |
| biofilm | adheres to a surface without a host. Ex: plaque on teeth. |
| endemic | relatively stable incidence in a particular geographical area. |
| sporadic | few scattered cases occur in an area. |
| epidemic | occurs at a greater frequency than usual for a particular area. |
| pandemic | worldwide (ex: AIDS is found on every continent) |
| incidence | only NEW cases of a disease in a given area or population during a given period of time. (Ex: new cases,in Joaquin,in June) |
| prevelence | OLD & NEW cases already existing in a given area during a given period of time. (Ex: all cases, in Joaquin, previous three months.) |
| disease | when injury is significant enough to interfere with the normal functioning of the body. |
| morbidity | any change from a state of health. |
| zoonosis | diseases that spread naturally from animal hosts to humans. |
| carriers | incubate a pathogen in their body and eventually develop the disease. OR remain a continued source of the disease without becoming sick. |
| nosocomial infection | Health care acquired infection |
| reservoir | where pathogens are maintained as a source of infection. |
| parenteral route | a means by which pathogenic microorganisms can be deposited right into deep tissues of the body, as in puncture wounds and surgery. |
| fomite | inanimate object that is inadvertently used to transfer pathogens to new hosts. (ex: door knob, toilet seat, etc.) |
| infection | an invasion of the body by a pathogen. |
| contamination | the mere presence of microbes in or on the body. |
| adhesion | the process by which microorganisms attach themselves to cells. |
| mycoplasma | are unique bacteria named for their most common representative, the genus mycoplasma. (atypical, no cell wall) |
Created by:
swelch1
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