Epidemiology Test 2 Quizzes Questions and Correct Answers/ Latest Update / Already Graded

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Epidemiology Test 2 Quizzes Questions
and Correct Answers/ Latest Update /
Already Graded
Case-control studies are among the best observational designs to

study diseases of:


A. high prevalence


B. high validity


C. low case fatality


D. low prevalence


Ans: D. low prevalence




Examples of descriptive epidemiologic studies do not usually include:


A. Cohort studies


B. Counts


C. Case series


D. Cross-sectional studies

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Ans: A. cohort studies




A major advantage of cohort studies over case-control studies with

respect to the role of a suspected factor in the etiology of a disease

is that:


A. they take less time and are less costly.


B. they can utilize a more representative population.


C. it is easier to obtain controls who are not exposed to the

suspected factor.


D. they permit direct estimation of risk of disease in those exposed to

the suspected factor.


E. they can be done on a double-blind basis


Ans: D. they permit direct estimation of risk of disease in those exposed to

the suspected factor




Cohort study is to risk ratio as:

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A. ecologic fallacy is to cross-sectional study.


B. genetics is to environment.


C. case-control study is to odds ratio.


D. A and C


Ans: C. case-control study is to odds ratio




Practical considerations in the design of cohort studies do not usually

include:




A. availability of exposure data


B. size and cost of the cohort


C. follow-up issues


D. scientific justification


E. age of the investigator


Ans: E. age of the invetigator