CHLH 274 Final Exam 2 Questions and
All Correct Answers.
What data source has the advantage of being almost nearly complete in the U.S.?
A.Reportable disease statistics
B.Mortality statistics
C.Birth statistics
D.B and C - Answer D. B and C (mortality statistics and birth statistics)
Which of the following is not one of the four criteria for the utility of epidemiologic data?
A.The nature of the data
B.The completeness of the data
C.The reason the data are collected
D.The availability of the data - Answer the reason the data are collected
Which of the following data sources is most likely to provide a representative sample of the
general health status of a population?
A.hospital outpatient statistics
B.absenteeism data
C.data from public health clinics
D.a morbidity survey of the general population - Answer a morbidity survey of the general
population
Information about the cause of death listed on a death certificate may be unreliable because:
A.the cause of death may be unclear
B.certain diseases carry a stigma
C.diagnostic criteria may lack standardization
D.assignment of the cause of death may be arbitraryE.all of the above - Answer all of the
above
(the cause of the disease may be unclear, certain diseases carry a stigma, diagnostic criteria may
lack standardization)
A case-control study is purely a descriptive (as opposed to analytic) study design
A.True
B.False - Answer False
, An ecologic study is one that examines a group as a unit of analysis
A.True
B.False - Answer True
Case-control studies are among the best observational designs to study diseases of:
A.high prevalence
B.high validity
C.low case fatality
D.low prevalence - Answer low prevalence
A large medical center's oncology program reported an increased number of cases of pancreatic
cancer during a certain month. The hospital's epidemiologist decided to research the problem.
Tumor registry records were searched to identify all cases of pancreatic cancer during a five-
year period; cancer patients were matched with patients treated for other diseases during the
same five-year period. All subjects in the study were questioned about lifestyle factors including
alcohol, tea, and coffee consumption. The resulting data are as follows:950 participants were
enrolled in the study as either cancer patients or patients treated for other diseases. There were
a total of 350 cancer patients. Of those 350 cases, 305 drank coffee. Among all patients, 115 did
not drink coffee.
What is the study design described above?
A. Prospective cohort study
B. Retrospective cohort study
C. Cross-sectional study
D. Case-control st - Answer Case-control
A large medical center's oncology program reported an increased number of cases of pancreatic
cancer during a certain month. The hospital's epidemiologist decided to research the problem.
Tumor registry records were searched to identify all cases of pancreatic cancer during a five-
year period; cancer patients were matched with patients treated for other diseases during the
same five-year period. All subjects in the study were questioned about lifestyle factors including
alcohol, tea, and coffee consumption. The resulting data are as follows:950 participants were
enrolled in the study as either cancer patients or patients treated for other diseases. There were
a total of 350 cancer patients. Of those 350 cases, 305 drank coffee. Among all patients, 115 did
not drink coffee.
What is the study design described above?
What is the incidence of cancer in this population?
A. 0.368 or 37%
B. 0.321 or 32%
C. 0,878 or 88% - Answer Incidence can not be calculated
All Correct Answers.
What data source has the advantage of being almost nearly complete in the U.S.?
A.Reportable disease statistics
B.Mortality statistics
C.Birth statistics
D.B and C - Answer D. B and C (mortality statistics and birth statistics)
Which of the following is not one of the four criteria for the utility of epidemiologic data?
A.The nature of the data
B.The completeness of the data
C.The reason the data are collected
D.The availability of the data - Answer the reason the data are collected
Which of the following data sources is most likely to provide a representative sample of the
general health status of a population?
A.hospital outpatient statistics
B.absenteeism data
C.data from public health clinics
D.a morbidity survey of the general population - Answer a morbidity survey of the general
population
Information about the cause of death listed on a death certificate may be unreliable because:
A.the cause of death may be unclear
B.certain diseases carry a stigma
C.diagnostic criteria may lack standardization
D.assignment of the cause of death may be arbitraryE.all of the above - Answer all of the
above
(the cause of the disease may be unclear, certain diseases carry a stigma, diagnostic criteria may
lack standardization)
A case-control study is purely a descriptive (as opposed to analytic) study design
A.True
B.False - Answer False
, An ecologic study is one that examines a group as a unit of analysis
A.True
B.False - Answer True
Case-control studies are among the best observational designs to study diseases of:
A.high prevalence
B.high validity
C.low case fatality
D.low prevalence - Answer low prevalence
A large medical center's oncology program reported an increased number of cases of pancreatic
cancer during a certain month. The hospital's epidemiologist decided to research the problem.
Tumor registry records were searched to identify all cases of pancreatic cancer during a five-
year period; cancer patients were matched with patients treated for other diseases during the
same five-year period. All subjects in the study were questioned about lifestyle factors including
alcohol, tea, and coffee consumption. The resulting data are as follows:950 participants were
enrolled in the study as either cancer patients or patients treated for other diseases. There were
a total of 350 cancer patients. Of those 350 cases, 305 drank coffee. Among all patients, 115 did
not drink coffee.
What is the study design described above?
A. Prospective cohort study
B. Retrospective cohort study
C. Cross-sectional study
D. Case-control st - Answer Case-control
A large medical center's oncology program reported an increased number of cases of pancreatic
cancer during a certain month. The hospital's epidemiologist decided to research the problem.
Tumor registry records were searched to identify all cases of pancreatic cancer during a five-
year period; cancer patients were matched with patients treated for other diseases during the
same five-year period. All subjects in the study were questioned about lifestyle factors including
alcohol, tea, and coffee consumption. The resulting data are as follows:950 participants were
enrolled in the study as either cancer patients or patients treated for other diseases. There were
a total of 350 cancer patients. Of those 350 cases, 305 drank coffee. Among all patients, 115 did
not drink coffee.
What is the study design described above?
What is the incidence of cancer in this population?
A. 0.368 or 37%
B. 0.321 or 32%
C. 0,878 or 88% - Answer Incidence can not be calculated
