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Social medicine Final Exam Questions 1 and 2
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Social medicine Final Exam Questions 1 and 2
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Social medicine Final Exam Questions 1 and 2A cohort study is which type of study?
a) Cross-sectional
b) Case report
c) Longitudinal (follow up)
d) None of the above
C) Longitudinal (Follow up)
When conducting a cohort study, exposure is measured...
a) at the start of the study
b) at follow up
c) At the end of the study
b) at follow up ?
What are the basic requirements for cohort membership?
a) must free of the disease at the outset of follow-up
b) must be alive at the start of follow up
c) must already have the disease of interest at the start of the study
b) must be alive at the start of follow up ?
In the definition of epidemiology, "distribution" refers to:
a) Who
b) When
c) Where
,d) Why
e) a+b+c
e) a +b +c
In the definition of epidemiology, "determinants" generally includes:
a) Agents
b) Causes
c) Sources
b) causes
What is a variable?
a)Part of the experiment that is able to change
b) Opinion
c) Part of the experiment that stays the same
d) The part of the experiment that is being compared to
a) Part of the experiment that is able to change
The key feature of an cohort and case-control study study is:
a) Use of an appropriate comparison group
b) Laboratory examination
c) Publication in a peer-reviewed journal
a) Use of an appropriate comparison group
A study in which children are randomly assigned to receive either a newly
formulated vaccine or the currently available vaccine, and are followed to monitor
for side effects and effectiveness of each vaccine, is an example of which type of
,study?
a) Experimental/Clinical trial
b) Observational
c) Cohort
d) Case-control
a)Experimental/Clinical trial
The study, in which researchers enrolled 41,837 women and collected exposure
and lifestyle information to assess the relationship between these factors and
subsequent occurrence of cancer, is an example of which type(s) of study?
a) Experimental
b) Cohort
c) Case-control
c) case- control
What is the definition of the dependent variable ?
a)What is being measured
b) What you think will happen in the experiment
c) What you are changing
d) The part of an experiment that is compared to
a) What is being measured
A cohort study differs from a case-control study in that:
, a) Subjects are enrolled on the basis of their exposure status and do not have a
disease;
b) Subjects are asked about their health status (disease) in a cohort study but not
in a case-control study;
c) None of above
a) Subjects are enrolled on the basis of their exposure status and do not have a
disease;
All the statements for Field trials are true, except for:
a)Involve people who are healthy, but presumed to be at risk.
b) Only a small number of communities can be included.
c) Data collection takes place "in the field".
d) They be used to evaluate interventions aimed at reducing exposure without
necessarily measuring the occurrence of health effects.
c) data collection takes place "in the field".
What is the definition of the independent variable ?
a)The part of the experiment that stays the same
b) What you change in an experiment
c) What is being measured
d) All of the above
b) What you change in an experiment
The statement: "The proportion of a population that has the condition at a specific
point in time." refers to:
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