Epidemiology Quizzes with Complete
Solutions (Graded A+)
Which form of prevention takes place after the precursors of disease interact with the
host?
A- Tertiary
B-Secondary
C-Primary
D-Both A&B - Answer- D- Both A and B
Beach city has a rising population of 600,000 robust, fertile males and 500,000 robust
fertile females. If there were 3,000 live births, 3 fetal deaths, and 50 maternal deaths,
what is the crude birth rate?
A- 3,000/500,000 x1000
B-3,000/600,000 x1000
C-3,003/1,100,000 x1000
D- 3,000/1,100,000 x1000
E-3,997/1,100,000 x1000 - Answer- D-3,000/1,100,000 x1000
The major disadvantage of crude rates is that:
A-They may not allow for comparison of populations that differ in size.
B-There are difficult to calculate from available data sources.
C-They do not permit comparison of populations that vary in composition.
Di-All of the above - Answer- C- They do not permit comparison of population that vary
in composition.
Which of the following terms is expressed as a proportion (as distinguished from a
ratio)?
A-Male Births/Female Births
B- Female Births/Male + Female Births
C-Female Births/ Male Births
D- A and C - Answer- B- Female Births/ Male + Female births
The risk of acquiring a given disease during a time period is best determined by:
A- The mortality rate from that disease in the 0-4 age group.
B- A spot map the records all cases of the disease in the past year.
C-They period prevalence for that disease during the past year.
, D-The incidence rate (cumulative incidence) for that disease in a given period of time. -
Answer- D- The incidence rate (cumulative incidence) for that disease in a given period
of time.
The incidence of a disease is five times greater in men than in women, but the
prevalence shows no sex difference. The most likely expiration is that:
A- The mortality rate is greater in women.
B- The case fatality rate is greater in women.
C- The duration of the disease is greater in women
D-Women receive less adequate medical care for the disease. - Answer- C- The
duration of the disease is greater in women.
Which of the following data sources is most likely to provide a representative sample of
the general health status of the population?
A-Hospital outpatient statistics
B-Absenteeism data
C-Data from public health clinics
D-A morbidity survey of the general population - Answer- D- A morbidity survey of the
general population
Choose the incorrect answer. The U.S Census:
A-Administers a detailed questionnaire to a subset of the population.
B-Attempts to account for every person in the country.
C-Is called the decennial census and is administered every 5 years.
D-Characterizes the population according to demographic variables. - Answer- C- Is
called the decennial census and is administered every five years.
Cautious use of information from death certificates is warranted because:
A- Certificates are not available for everyone who dies.
B-Certificates are often erroneous for death and sex.
C-Case of death information may not be correct.
D-Autopsy results are not included.
E-All of the above - Answer- C- Cause of death information may not be correct.
An abrupt drop in mortality due to specific disease from one year to the next is:
A-Incorrect listing of cause of death by the physician on the death certificate.
B-Coding mistake when using the international classification of disease (ICD) system
C- A and B
D-A change in the international classification of disease system
E-Fewer older persons dying from chronic diseases each year. - Answer- D- A change
in the intention classification of disease.
Solutions (Graded A+)
Which form of prevention takes place after the precursors of disease interact with the
host?
A- Tertiary
B-Secondary
C-Primary
D-Both A&B - Answer- D- Both A and B
Beach city has a rising population of 600,000 robust, fertile males and 500,000 robust
fertile females. If there were 3,000 live births, 3 fetal deaths, and 50 maternal deaths,
what is the crude birth rate?
A- 3,000/500,000 x1000
B-3,000/600,000 x1000
C-3,003/1,100,000 x1000
D- 3,000/1,100,000 x1000
E-3,997/1,100,000 x1000 - Answer- D-3,000/1,100,000 x1000
The major disadvantage of crude rates is that:
A-They may not allow for comparison of populations that differ in size.
B-There are difficult to calculate from available data sources.
C-They do not permit comparison of populations that vary in composition.
Di-All of the above - Answer- C- They do not permit comparison of population that vary
in composition.
Which of the following terms is expressed as a proportion (as distinguished from a
ratio)?
A-Male Births/Female Births
B- Female Births/Male + Female Births
C-Female Births/ Male Births
D- A and C - Answer- B- Female Births/ Male + Female births
The risk of acquiring a given disease during a time period is best determined by:
A- The mortality rate from that disease in the 0-4 age group.
B- A spot map the records all cases of the disease in the past year.
C-They period prevalence for that disease during the past year.
, D-The incidence rate (cumulative incidence) for that disease in a given period of time. -
Answer- D- The incidence rate (cumulative incidence) for that disease in a given period
of time.
The incidence of a disease is five times greater in men than in women, but the
prevalence shows no sex difference. The most likely expiration is that:
A- The mortality rate is greater in women.
B- The case fatality rate is greater in women.
C- The duration of the disease is greater in women
D-Women receive less adequate medical care for the disease. - Answer- C- The
duration of the disease is greater in women.
Which of the following data sources is most likely to provide a representative sample of
the general health status of the population?
A-Hospital outpatient statistics
B-Absenteeism data
C-Data from public health clinics
D-A morbidity survey of the general population - Answer- D- A morbidity survey of the
general population
Choose the incorrect answer. The U.S Census:
A-Administers a detailed questionnaire to a subset of the population.
B-Attempts to account for every person in the country.
C-Is called the decennial census and is administered every 5 years.
D-Characterizes the population according to demographic variables. - Answer- C- Is
called the decennial census and is administered every five years.
Cautious use of information from death certificates is warranted because:
A- Certificates are not available for everyone who dies.
B-Certificates are often erroneous for death and sex.
C-Case of death information may not be correct.
D-Autopsy results are not included.
E-All of the above - Answer- C- Cause of death information may not be correct.
An abrupt drop in mortality due to specific disease from one year to the next is:
A-Incorrect listing of cause of death by the physician on the death certificate.
B-Coding mistake when using the international classification of disease (ICD) system
C- A and B
D-A change in the international classification of disease system
E-Fewer older persons dying from chronic diseases each year. - Answer- D- A change
in the intention classification of disease.
