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Microbio - Chap 3
| Question | Answer |
|---|---|
| commensalism | one organism benefits, the other is unaffected |
| difference between normal and transient flora? | one is normal, one is temporary |
| male (4) (staph, strep) | mycobacterium, bacteroides |
| female (5) (staph, strep, lacto) | candida, trichomonas |
| dental (2) (both strep) | sanguis, mutans |
| is there staph or strep in digestive tract? | NO |
| respiratory (6) (staph, strep, lacto) | maemophilis, moraxella, candida |
| eye (1) | staph |
| communicable | may or may not be contagious |
| non-communicable | not contagious |
| contaminated | MOs present on inanimate object |
| infected | MOs present on a living things |
| components of infectious disease (DN, CA, R, S, TR, POE, S, D, T, P) (DCRSTPSDTP) | disease name, causative agent, reservoir, source, transmission route, portal of entry, symptoms, diagnosis, treatment, prevention |
| symptomatic | known illness |
| asymptomatic | CARRIER |
| what are reservoirs? (3) | humans, animals, nonliving (soil) |
| zoonoses | disease transferred by animals |
| 4 types of transmission routes? | direct contact, indirect contact, droplet transmission, vectors |
| fomite | inanimate object |
| vehicle transmission (4) | fomites, body fluids, air, water, food |
| vectors are usually? | arthropods |
| how does disease reside in vectors? (2) | mechanical (body parts), biological (resides in) |
| 5steps of development of infectious disease in host (I,P,I,D,C) | Incubation, prodromal, invasive, decline, convalescence |
| incubation period | no signs or symptoms |
| prodromal phase | vague symptoms |
| invasive phase | most severe signs and symptoms |
| decline phase | declining signs and symtoms |
| convalescence period | healed |
| 4 portal of exits | respiratory tract, GI tract, urogenital tract, vectors |
| 5 nosocomial causes | staphylococci, staph aureus, enterococcus, gram negative rods, c. dif |
| epidemiology | study of where and when diseases occur |
| descriptive epidemiology | maps of occurence |
| analyical epidemiology | NIGHTINGGALE showed increased sanitation improved epidemic |
| the CDC | center for disease control and prevention |
| experimental epidemiology | showed that handwashing decreased incidence |
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ngrable
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