Chapter 4: Epidemiology - Public Health Basics Quiz
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Questions and Answers

What is the core function that epidemiology falls under?

  • Investigating causes of diseases
  • Identifying trends in disease occurrence
  • Studying patterns of disease occurrence in human populations
  • All of the above (correct)

    • What is the difference between an endemic rate and an epidemic?

  • An endemic rate is the rate of disease occurrence in a specific geographic area, while an epidemic is the spread of a disease to a larger population.
  • An endemic rate is the average rate of disease occurrence, while an epidemic is the sudden outbreak of a disease in a population.
  • An endemic rate is the rate of disease occurrence in a specific time period, while an epidemic is the rapid spread of a disease over a short time.
  • An endemic rate is the usual prevalence of a disease, while an epidemic is an increase in frequency above the endemic rate. (correct)

    • What was John Snow's key finding during the Broad Street, Cholera Outbreak of 1853?

  • Both a and b (correct)
  • He noticed higher death rates associated with two private water supply companies.
  • He found that cholera deaths were linked to the source of water supply.
  • He identified that cholera was spread by polluted drinking water.

    • What is the purpose of epidemiological surveillance?

    <p>Both b and c</p> Signup and view all the answers

    What is the difference between vital statistics and epidemiological surveillance?

    <p>Vital statistics collect data on births, deaths, marriages, and divorces, while epidemiological surveillance focuses on notifiable diseases.</p> Signup and view all the answers

    Which of the following is NOT a core function of epidemiology according to the text?

    <p>Developing interventions to control disease outbreaks</p> Signup and view all the answers

    What is the role of shoe leather epidemiology in an epidemiologic investigation?

    <p>Investigating reported cases at local health departments</p> Signup and view all the answers

    What is the significance of identifying the source of exposure in an epidemiologic investigation?

    <p>Linking exposure to the use of certain supplements</p> Signup and view all the answers

    Why are epidemiologic studies on chronic diseases more complicated than those on infectious diseases?

    <p>Chronic diseases have multiple causes that develop over time.</p> Signup and view all the answers

    What is the objective of a prospective cohort study in epidemiology?

    <p>To follow a large number of people over an extended period</p> Signup and view all the answers

    How did the Framingham Study contribute to educating people about heart disease?

    <p>Raised awareness about high blood pressure, high cholesterol, and smoking</p> Signup and view all the answers

    What was a significant finding from the British study of physicians regarding lung cancer?

    <p>Death rates from lung cancer increased with the amount smoked.</p> Signup and view all the answers

    How did the Hammond Horn study contribute to understanding the link between smoking and lung cancer?

    <p>Demonstrated lower lung cancer death rates among ex-smokers compared to smokers.</p> Signup and view all the answers

    'Shoe leather epidemiology' primarily involves:

    <p>Local health department investigations</p> Signup and view all the answers

    What is a common challenge faced in investigating chronic diseases?

    <p>Identifying a single cause for a disease with multiple factors.</p> Signup and view all the answers

    In epidemiologic studies, what does 'prospective cohort' mean?

    <p>Following a group of people over a long period of time.</p> Signup and view all the answers

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