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25 Cards in this Set
- Front
- Back
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A ? vehicle is single material that serves as the source of infection for many individuals.
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common
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A ? is an inanimate object that harbors and transmits pathogens.
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fomite
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In the type of transmission termed the ? route, a fecal carrier with inadequate personal hygiene contaminates food during handling and an unsuspecting person ingests it.
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fecal-oral
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? nuclei are dried microscopic residues created when microscopic pellets of mucus and saliva are ejected from the mouth and nose.
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Droplet
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? are suspensions of fine dust or moisture particles in the air that contain live pathogens.
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Aerosols
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Infectious diseases acquired or developed during a hospital stay are known as ? infections.
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nosocomial
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Medical ? includes practices that lower the microbial load in patients, caregivers, and the hospital environment,including washing hands, disinfection, and sanitization.
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asepsis
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The term ? precautions is based on the assumption that all patient specimens could harbor infectious agents.
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universal
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The microbial cause of disease is known as the ? or causative agent.
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etiological
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Viruses usually have a very narrow ? range.
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host
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Koch's first postulate is ?
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find evidence of a particular microbe in every case of a disease.
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Koch's second postulate is ?
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isolate the microbe from an infected subject and cultivate it in pure culture in the laboratory
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Koch's third postulate is ?
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Inoculate a susceptible healthy subject with the laboratory isolate and observe the same resultant disease.
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Koch's fourth postulate is ?
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re-isolate the agent from the previously healthy subject in the third postulate
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The study of the frequency and distribution of disease and other health related factors in defined human populations is ?
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epidemiology
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The ? of a disease is the total number of existing cases with respect to the entire population.
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prevalence
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Disease ? measures the number of new cases over a certain time period.
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incidence
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An infectious disease that exhibits a relatively steady frequency over a long period of time in particular geographic locale is ?
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endemic
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When a disease is ? , occasional cases are reported at irregular intervals in random locales.
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sporadic
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When the prevalence of an endemic or sporadic disease is increasing beyond what is expected for the population, the pattern is described
as an ? |
epidemic
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The spread of an epidemic across continents is a ?
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pandemic
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? is the study of the determinants and distribution of all diseases in popluations
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epidemiology
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The ? of a disease is the % of existing cases in a given population.
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PREVALENCE
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The disease ?, or ? rate, is the number of newly infected members in a population during a specified time period
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incidence
morbidity |
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Disease frequency is described as ?,?,?, or ?
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sporadic
endemic epidemic pandemic |
