Question

1. Which of the following is an example of a famous intervention study?:

   • Framingham Heart Study
   • British Physicians Study
   • Field Trial of Polio Vaccine
   • Tecumseh Health Study

2. Which of the following is an example of a famous cohort study?

   • Field Trial of Polio Vaccine
   • Framingham Heart Study
   • Kingston-Newburgh Study
   • Physicians’ Health Study

3. One advantage of a case-control study is that they _______.

   • are faster and cheaper
   • are most in-depth
   • provide the greatest results
   • are the most accurate

4. All of the following factors influence the validity of results except:

   • strong association
   • dose-response relationship
   • small study population
   • consistent results from several studies

5. The purpose of the Institutional Review Board (IRB) is to ensure:

   • that the project stays on budget
   • that the study is conducted in an ethical manner
   • that the study has enough participants
   • that the data from the research project is reviewed properly

6. A false positive means that:

   • the test reports a positive result for a person who is disease free
   • the test reports a negative result for a person who actually has the disease
   • the test reports a positive result for a person who actually has the disease
   • the test reports a negative result for a person who is disease free

7. An estimated 24% of Americans have metabolic syndrome. Metabolic Syndrome is characterized by all of the following except:

   • central obesity
   • elevated triglycerides and low HDL
   • hypertension
   • normal glucose levels

Answer 1

1)Field trial of polio vaccine is an example of interventional study was started in 1954 -1955 by thomas francisjr and was done extensively in order to find a vaccine for polio.

A large number of children were used as trails this included, 432217 children were inoculated with the virus which included 209229 children in placebo areas, 231902 in observed.

2) Framhington heart study is a cohort study which focused on defining cardiovascular risk factors and carrying our public health practices to prevent cardio vascular disease.

3) case control is cheaper and faster this study includes developing a case and a control population which may help determine the end result of a research study

4) consistent study from different research he's does not effect the validity of results

5) the purpose of institutional review board is to ensure that the study is conducted in an ethical manner which involves consent as an important part

6) false positive depicts a positive result for an individual who is disease free it may be a defect in the test which may result in a false positive. As in case of corona virus which may results in false results

7) metabolic syndrome consist of hypertension obesity, tryglycerite except normal glucose level in case of metabolic syndrome there may be hyperglycemia