Exam 5: Epidemiology

An epidemiologist has written a summary of a food poisoning outbreak, including its cause and ways to prevent it from occurring in the future. Which of the following best describes what has been done?

A nurse wanted a screening test that was very sensitive in determining who might have a particular illness. What might be a problem with using such a sensitive test? (Select all that apply.)

A researcher has limited time and funds. Which of the following research designs would be most appropriate?

On the basis of findings related to elevated blood levels of cholesterol, a researcher wanted to determine whether a new drug would notably lower the blood levels of cholesterol in otherwise healthy persons. Which of the following studies would the researcher most likely use?

Which of the following research studies would determine the attributable risk of a sedentary lifestyle in cardiac disease?

In which of the following circumstances would it be more helpful to use the wheel model of epidemiology than the epidemiological triangle model?

People were very concerned about another outbreak of swine flu. All care providers were asked to report, without individual names, any new cases to the public health department for tracking. Which of the following would be most helpful for the local media to report to keep citizens informed?

Which of the following would be the best method to increase the positive predictive value of a screening test?

In a particular community, the rate of new cases of diabetes and the rate of new cases of flu during the month of January were precisely the same. Which disease would have the higher prevalence rate?

A newspaper published an article stating that the athletic banquet at the local high school had approximately 1000 family members in attendance. Exactly 650 persons became ill within 24 hours, complaining of severe diarrhea, vomiting, and cramping. Which of the following best describes the attack rate?

An epidemiologist is gathering data to determine which factors may lead to disease. Which of the following data will be gathered? (Select all that apply.)

A researcher wanted to engage in the best possible research design to obtain reliable information about the possible cause(s) of a disease. Which of the following designs would the researcher choose?

A researcher is examining potential risk factors in comparison with disease at a specific time through collecting data regarding current exercise, sleep patterns, and current health status among 12-year-olds. Which of the following research studies would be most appropriate?

Which of the following is the most effective way to determine if Healthy People 2020 is improving the health of Americans?