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 (A)</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. (A)</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 (B)</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 (D)</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 (D)</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. (D)</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 (B)</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 (B)</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. (B)</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. (C)</p> Signup and view all the answers

'Shoe leather epidemiology' primarily involves:

<p>Local health department investigations (B)</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. (C)</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. (A)</p> Signup and view all the answers

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