Regis NU-713 Quiz 5
(Epidemiology Chapters 11 &
12) REGIS UNIVERSITY Week
11 Quiz LATEST UPDATE
QUESTIONS AND VERIFIED
CORRECT ANSWERS
ALREADY PASSED GRADED A+
The results of a 10-year cohort study of smoking and
coronary heart disease (CHD) are shown below: The
incidence of CHD in smokers that can be attributed to
smoking is: - CORRECT ANSWER-27.5 per 1000
The results of a 10-year cohort study of smoking and
coronary heart disease (CHD) are shown below: The
proportion of the total incidence of CHD in smokers that is
attributable to smoking is: - CORRECT ANSWER-84.6%
Of 2,872 persons who had received radiation treatment in
childhood because of an enlarged thymus, cancer of the
thyroid developed in 24 and a benign thyroid tumor
developed in 52. A comparison group consisted of 5,055
children who had received no such treatment (brothers and
sisters of the children who had received radiation
treatment). During the follow-up period, none of the
comparison group developed thyroid cancer, but benign
thyroid tumors developed in 6. Calculate the relative risk for
benign thyroid tumors: - CORRECT ANSWER-15.3
In a small pilot study, 12 women with uterine cancer and 12
with no apparent disease were contacted and asked
whether they had ever used estrogen. Each woman with
cancer was matched by age, race, weight, and parity to a
woman without disease.
2. What is the estimated relative risk of cancer when
analyzing this study as a matched-pairs study? - CORRECT
ANSWER-3.00
Unmatch the pairs. What is the estimated relative risk of
cancer when analyzing this study as an unmatched study
design? - CORRECT ANSWER-4.00
In a study of a disease in which all cases that developed
were ascertained, if the relative risk for the association
between a factor and the disease is equal to or less than 1.0,
then: - CORRECT ANSWER-There is either no association or
a negative association between the factor and the disease
Talbot and colleagues carried out a study of sudden
unexpected death in women. Data on smoking history are
shown in the following table.
Calculate the matched-pairs odds ratio for these data. -
CORRECT ANSWER-4.5
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