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24 Cards in this Set
- Front
- Back
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congenital disease
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present at birth
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degenerative disease
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body/tissue slowly breaks down
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infectious disease
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body infected by some microorganism-NOT necessarily contagious(malaria)
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communicable disease
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transmitted from one person to another
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chronic condition
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long duration, reoccurring (diabetes)
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acute condition
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short term, symptoms generally more severe
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subclinical condition
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no outward symptoms
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latency or incubation period
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time that symptoms are subclinical
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endemic disease
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regularly present in an area (malaria, flu)
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epidemic
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number of cases is above what is normally expected, or new disease appears in a place
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incidence
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number of new cases of a disease (new diagnoses)
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prevalence
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number of people who are infected/sick on a certain day
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morbidity
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number of people who are sick
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mortality
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number of people who have died
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disease agent/pathogen
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organism that can cause disease
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host
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organism infected by disease agent
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intermediate host
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necessary at some point in disease agent's lifecycle (Snail, schistosomiosis)
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vector
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host for disease agents, transmits disease agent
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reservoir
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harbor pathogen, continual source of possible infection
rodents-reservoir for lyme |
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arthropod
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phylum of invertebrates, mosquitos, flies, ticks
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arbovirus
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virus spread by an arthropod
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Transovarial transmission
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occurs when vector transmits disease to offspring in eggs.
exponential increase, hard to control |
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zoonosis
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a disease that typically exists among animals, but can be transmitted to humans
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dead end hosts
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humans get sick but aren't a source of infection for vectors
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