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Questions and Answers

Which of the following best describes epidemiology?

  • The study of treatment effects in clinical trials
  • The study of risk factors for disease
  • The study of health and disease in a defined population (correct)
  • The study of basic research in the biological sciences

What is the role of epidemiologists in public health?

  • Designing and conducting clinical trials
  • Performing statistical analysis of data
  • Providing preventive healthcare
  • Identifying risk factors for disease (correct)

Which area of study in epidemiology focuses on disease transmission?

  • Forensic epidemiology
  • Screening
  • Disease causation
  • Environmental epidemiology (correct)

What is the main purpose of disease surveillance in epidemiology?

<p>To investigate disease outbreaks (A)</p> Signup and view all the answers

In which field has epidemiology helped develop methodology?

<p>Public health studies (B)</p> Signup and view all the answers

Which of the following best defines incidence in epidemiology?

<p>The number of new cases of a medical condition during a specified period of time (B)</p> Signup and view all the answers

What is another term for incidence proportion in epidemiology?

<p>Cumulative incidence (B)</p> Signup and view all the answers

How is incidence proportion calculated?

<p>By dividing the number of new cases during a given period by the number of subjects at risk in the population initially at risk (A)</p> Signup and view all the answers

What is the incidence proportion called when the period of time considered is an entire lifetime?

<p>Lifetime risk (D)</p> Signup and view all the answers

If a population contains 1,000 persons and 28 develop a condition from the time the disease first occurred until two years later, what is the cumulative incidence proportion?

<p>0.028% (B)</p> Signup and view all the answers

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