Epidemiology

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: disease always in population at low frequency
: high numbers of people in population infected in short time
: epidemic that
occurs over wide area

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Frage 2 von 10

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, founder of medical statistics

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Frage 3 von 10

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, Father of Epidemiology

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Frage 4 von 10

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: observing the distribution of a disease in a population
: investigating a hypothesis about the cause of a disease by studying how exposures relate to disease

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    Descriptive
    Analytic

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Frage 5 von 10

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What are the three characteristics examined to study the cause for disease in analytic epidemiology?

Wähle eine oder mehr der folgenden:

  • Host

  • Environment

  • Agent

  • Transmission route

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Frage 6 von 10

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: same species, shed microbes
: different species, shed microbes
: soil, etc.

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    Asymptomatic carriers
    Zoonotic carriers
    Environmental reservoirs

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Frage 7 von 10

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(inanimate objects)
Skin-to-skin
(different species)
(microbe’s life cycle doesn’t include this species)
(microbe's life cycle does include this species)

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    Mechanical Vector
    Biological Vector
    Fomites
    Vectors

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Frage 8 von 10

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Fill in the blanks for the pathogenesis of Bacillus anthracis
: skin infection -> black lesion ->

: ingested -> ulceration and necrosis of intestines ->

: lung infection -> lung damage -> blood infection -> lethal

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    Cutaneous
    treatable
    Gastrointestinal
    lethal
    Inhalation

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Frage 9 von 10

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You are an epidemiologist attempting to determine how a fever-inducing infection is being transmitted throughout a community. You identify the index case and determine that the only connection between the index case and the next patient is a dog owned by the second patient who had eaten food scraps out of the garbage can at the first patient’s home. The dog did not get sick. How would you classify the dog in the transmission route of the disease?

Wähle eine der folgenden:

  • Mechanical vector

  • Biological vector

  • Fomite

  • Zoonotic carrier

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Frage 10 von 10

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Lyme disease is caused by the bacterium Borrelia burgdorferi and is transmitted to humans through the bite of infected blacklegged ticks. B. burgdorferi can survive without iron, as it uses manganese in place of iron-sulfur clusters in its enzymes. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema migrans. If left untreated, infection can spread to joints, the heart, and the nervous system.

What type of reservoirs are involved in Lyme disease transmission?

Wähle eine der folgenden:

  • Asymptomatic carriers

  • Zoonotic carriers

  • Environmental reservoirs

  • All of the above

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