Intro to Infection
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is flora? | organisms that routinely colonize appropriate surfaces without causing disease. Indigenous microflora are organisms which routinely colonize appropriate
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| What is a pathogen? | Pathogen - an organism able to cause disease in a host
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| Why would a microorganism cause symptomatic disease? | • Damaged host cells release substances used by pathogen in reproduction
• Directly assists in spread of pathogen progeny
• Coincidence
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| What is an epidemic | Epidemic - a sudden increase in the number of cases of a disease, typically in a larger area
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| What is an outbreak? | Outbreak - a sudden increase in the number of cases of a disease in a small, defined area
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| What is an endemic? | Endemic - characteristic of a disease that exists continually at some level in an area
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| What is a pandemic? | Pandemic - a disease outbreak affecting a high percentage of people over most of the globe
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| What is an endogenous source? | Endogenous source - from within the body
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| Exogenous source | Exogenous source - from outside the body
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| What is nosocomial? | Nosocomial infection- an infection acquired while visiting a hospital/health care facility
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| What is iatrogenic? | Iatrogenic infection- an infection introduced by a medical treatment
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| What is an opportunistic pathogen? | Opportunistic pathogen - a normally non-pathogenic microorganism which causes disease typically in an immunocompromised patient
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| What determines whether an encounter with a pathogen causes clinical disease? | age of the host, genetics of the host, genetics of the organism, route of exposure, microbial load
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| What is acute course of infection? | short term and can treat with antimicrobials
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| what is chronic/persistent course of infection? | you never get rid of the organism, and have persistent infection
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| What is latent? | it goes away and comes back up
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| persistent slow infection | following acute
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| persistent slow infection | no acute
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| features of a host-parasite relationship that work from the pathogens point of view | Pathogen benefits from a large and or transient population
Pathogen may benefit from a basically unaffected host
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Created by:
bspeight
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