HLTH 4200 Week 6 Final Exam | Assignment Help
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Question 1
Statistical
power is the ability of a study to demonstrate an association if one exists |
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Question 2
Which
of the following IS NOT a characteristic that would make a disease
appropriate for screening? |
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Question 3
You are interested in finding out
whether middle-aged men who have irregular heartbeats are at greater risk of
developing a myocardial infarction (heart attack) than men whose heartbeats
are regular. Electrocardiogram (ECG) examinations are performed on all male office
employees 35 years of age or older who work for oil companies in Houston. The
ECG tracings are classified as irregular or regular. Five years later,
myocardial infarction rates are compared between those with and those without
baseline ECG irregularities. |
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Question 4
The physical examination records
of the incoming freshman class of 1935 at the University of Minnesota were
examined in 1980 to see whether their recorded height and weight at the time
of admission to the university are related to their chance of developing
coronary heart disease by 1980. |
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Question 5
Research participants were
children enrolled in a health maintenance organization. At 18 months of age
each child was randomly assigned to one of two groups. Each group was given
one of two types of vaccine against Haemophilus influenza. Parents were asked
to record any side effects on a card and mail it back after two weeks. |
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Question 6
Research participants with a
confirmed diagnosis of carpal tunnel syndrome were compared to a comparable
group without carpal tunnel syndrome. Both groups were asked about their
prior occupational and recreational exposures. |
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Question 7
The entire population of a given
community is examined and all who are judged to be free from bowel cancer are
questioned extensively about their diets. These people then are followed for
several years to see whether or not their eating habits will predict their
risk of developing bowel cancer. |
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Question 8
In
order to reduce random error and increase the strength of the findings,
researchers should use a small sample size. |
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Question 9
In
the Bradford Hill Criteria for Causation, the ________ the association, the
more likely it is that the relation of "A" to "B" is
causal. |
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Question 10
The
positive predictive value of a screening test indicates the: |
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Question 11
The
specificity of a screening test indicates: |
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Question 12
The
primary difference between an experimental and observational study is that
the investigator: |
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Question 13
In
contrast to observational studies, clinical trials are used to test the: |
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Question 14
The
process in a clinical trial whereby the investigator assigns subjects to
either the treatment or comparison/control group is known as _________________. |
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Question 15
A
good screening test should be ____________. |
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Question 16
In
the Framingham study, a group of residents had been followed since the 1950s
to identify occurrence and risk factors for heart disease. Which type(s) of
study does it represent? |
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Question 17
The
Cancer and Steroid Hormone (CASH) study asked women with breast cancer and a
comparable group of women without breast cancer about their prior use of oral
contraceptives ( the Pill ). What type of study does this represent? |
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Question 18
An
intervention designed for the purpose of educational and behavioral changes
at the population level is a community intervention. |
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Question 19
Certain
genes can be markers for susceptibility but do not confer risk on their own. |
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Question 20
The
host, agent, and behavior make up the epidemiologic triangle. |
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Question 21
In
developed countries, chronic health problems have replaced infectious
diseases as the leading killers during the past century. |
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Question 22
The
entry and development or multiplication of an infectious agent in the body of
persons or animals is known as: |
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Question 23
The
severity of a disease produced by an infectious agent is referred to as: |
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Question 24
All
of the following are examples of diseases known or believed to have a genetic
basis EXCEPT: |
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Question 25
Highly
toxic chemicals that persist in the environment have been associated with
disruption of the: |
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