- D Question 25 A Study Investigated The Association Between Income And Asthma In 20 Large Major Cities In The United Stat 1 (21.84 KiB) Viewed 123 times
- D Question 25 A Study Investigated The Association Between Income And Asthma In 20 Large Major Cities In The United Stat 2 (35.48 KiB) Viewed 123 times
- D Question 25 A Study Investigated The Association Between Income And Asthma In 20 Large Major Cities In The United Stat 3 (33.11 KiB) Viewed 123 times
- D Question 25 A Study Investigated The Association Between Income And Asthma In 20 Large Major Cities In The United Stat 4 (43.06 KiB) Viewed 123 times
Question 26 In a study, 200 people are randomized to either receive Xerlix, a new drug designed to treat hypertension, or standard treatment for hypertension. Participants and investigators are blinded to which arm the participants are enrolled in. The participants are followed for one year. At the end of the year, the blood pressure levels and proportions with incidence of myocardial infarction between those who received Xerlix and those who received standard treatment are compared. What type of study is this? O Ecologic study O Case-control study Retrospective cohort study Prospective cohort study Randomized controlled trial 2 pts O Community trial
Question 27 In a study, 10 communities are assigned to a community-wide heart disease prevention program, and 10 communities are assigned as controls. The community-wide heart disease prevention program includes infrastructure and policy changes to improve access to health care, healthy food, and ways to be physically active, as well as education at schools and community events. The rates of heart disease in the communities that received the heart disease prevention program are compared to those in the control communities at the end of twenty years. What type of study is this? O Ecologic study Case-control study Retrospective cohort study O Prospective cohort study Randomized clinical trial 2 pts O Community trial
D Question 36 A case-control study was conducted to examine the association between exposure to drinking water contaminated with lead and autism in children. All children newly diagnosed with autism at a specific clinic in Flint, Michigan between January 1, 2016 and January 31, 2016 were identified as cases, and children seen in the same clinic between January 1, 2016 and January 31, 2016 who were not diagnosed with autism were chosen as controls. The parents of cases and controls were then asked whether they had consumed municipal water from the city of Flint at any point between the start of the contamination of lead in the Flint water crisis. 2 pts Suppose that parents of children newly diagnosed with autism are more likely to correctly recall the exposure of their children to the contaminated drinking water, which leads to underreporting of the exposure in the controls. This example describes O the Hawthorne effect O the healthy worker effect recall bias confounding