Question 1

Recruiting based on exposure status makes retrospective and prospective cohort studies the optimal study approaches for uncommon exposures.

Accepted Answer

A) True 
 B)False  True

Question 2

Longitudinal studies use what type of population in which all participants start the study at the same time and no one is permitted to join later?

Accepted Answer

A)   Open population
B)   Limited population
C)   Fixed population
D)   Dynamic population

Question 3

Participants of what kind of study are recruited based on membership in a well-defined source population?

Accepted Answer

A)   Historic cohort study
B)   Retrospective cohort study
C)   Prospective cohort study
D)   Longitudinal cohort study D

Question 4

What type of study design should be used to investigate an exposure that is relatively uncommon but a source of exposed individuals is available?

Accepted Answer

A)   Time-series study
B)   Panel study
C)   Longitudinal cohort study
D)   Prospective cohort study D

Question 5

Studies that measure individuals randomly sampled from the same populations at different points in time are using a cohort study approach.

Accepted Answer

A) True 
 B)False

Exam 11: Cohort Studies

Recruiting based on exposure status makes retrospective and prospective cohort studies the optimal study approaches for uncommon exposures.