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HTH 150 FINAL JMU questions with complete solutions
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HTH 150 FINAL JMU questions with complete solutions
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HTH 150 FINAL JMU questions withcomplete solutions
Cohort study - correct answer ✔✔a case-defined population who have a certain exposure and/or receive
a particular treatment compared with another group not affected by the exposure
case-control study - correct answer ✔✔different groups are compared based on their histories, patients
with condition vs non-patients
cross-sectional study - correct answer ✔✔either descriptive or analytical, surveys are common use for
this study, observes exposure and outcome at the same time
what study is followed over time? - correct answer ✔✔cohort (longitudinal studies)
prospective cohort - correct answer ✔✔exposure factors are identified at the beginning of a study and a
defined population is followed into the future
retrospective cohort - correct answer ✔✔past medical records for the defined population are used to
identify exposure factors
disadvantages of cohort studies - correct answer ✔✔not as reliable as randomized controlled studies,
require large sample size, can take long periods of time
A study in which colon cancer patients are asked what kinds of food they have eaten in the past and the
answers are compared with a selected control group. (what type of study is this) - correct answer
✔✔case control
disadvantages of case control studies - correct answer ✔✔less reliable than randomized controlled trial
or cohort studies
, advantages of case control studies - correct answer ✔✔can be done quickly, efficient for conditions w
rare outcomes
randomized controlled study - correct answer ✔✔There are two groups, one treatment group and one
control group. Treatment group receives the treatment under investigation, the control group receives
either no treatment (placebo) or standard treatment, patients are randomly assigned
which study is considered the "gold standard" - correct answer ✔✔randomized control studies because
they determine effectiveness of therapies and interventions while avoiding bias
experimental study - correct answer ✔✔randomly assigns a treatment and control group and then
compares results
meta-analyses - correct answer ✔✔systematic, objective way to combine data from several studies,
pooled estimate of treatment effectiveness and statistical significance
advantages of meta-analyses - correct answer ✔✔increases sample size and allows for analyses that
would not otherwise be possible
disadvantages of meta-analyses - correct answer ✔✔publication bias if no significant results, dependent
on the quality of studies reviewed
systematic review - correct answer ✔✔comprehensive survey of a topic, relevant studies of high levels of
evidence, assess and synthesize the findings
purpose of new sources - correct answer ✔✔inform audience on current topics, provide basic facts and
details
purpose of magazines - correct answer ✔✔entertain and inform audience on current or recent topics,
present info and research
purpose of scholarly journals - correct answer ✔✔inform and report on research done by scholars and
experts in a field, cover specialized academic topics
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