Epidemiology FINAL Quiz Questions and Answers

Which of these doctors was most likely to eat croissants, fresh from the patisserie, in his life time? correct answer: Ignaz Semmelweiss Epidemiology is the study what? correct answer: Health on a population level and therefore must be applied with that caveat to individuals. Biostatistics is to epidemiology what correct answer: A microscope is to a microbiologist. Which of the following is NOT actually an epidemiological study but would still be important to an epidemiologist? correct answer: A study showing the range of the mosquitoes which carry malaria. Incidence is measurement for what we commonly call A. Disease B. Prevalence C. Risk D. Rate correct answer: C. risk Comparing mortality rates to look for differences not due to age can be deceptive if the populations from which the rates came correct answer: have differ in age A survey of 100 college freshman found that 5 of them reported having a cold at the time. In addition 15 more reported having had a cold in the past month. What is the 1 month period prevalence for having a cold? (report you answer as a percentage to the nearest tenth, i.e. one decimal place) correct answer: 20.0 One reason prevalence can be misleading is... A. It will over-represent mild cases B. It only measures risk in a defined time period C. It over estimates disease burden at any point in time D. It will always be greater than incidence correct answer: A. it will overrepresent mild cases Almost 50% of those infected with Ebola do not survive the illness. This is an example of correct answer: case fatality rate Which of these statements is true of standardization on age of mortality rates? 1. It makes the rates in different populations comparable regardless of the standard used in each 2. It is the Most accurate representation of what was actually observed 3. It would be unnecessary if mortality rates did not change with age. 4. The width of the age bands used can affect the standardization results correct answer: 3 and 4