EPI EXAM 2 ACTUAL QUESTIONS AND ANSWERS
A - CORRECT ANSWER✅✅If the exposure is considered the cause of disease, which measure can be
used to calculate the number of disease cases that would be eliminated if the exposure were
eliminated?
A. Risk difference ("Attributable risk")
B. Attributable proportion among the exposed ("attributable fraction")
C. Risk Ratio
D. Proportional Mortality Ratio
C - CORRECT ANSWER✅✅Which type of comparison gives information about the strength of the
relationship between the exposure and disease and is most useful for etiologic research?
A. Standard comparison
B. Direct standardization
C. Relative comparison
D. Absolute comparison
A - CORRECT ANSWER✅✅Which of the following represents the numeric value of a relative comparison
measure if the exposure prevents disease?
A. 0.81
B. 1.22
C. 1.37
D. 1.05
A - CORRECT ANSWER✅✅The death rate per 100,000 for lung cancer is 7 among nonsmokers and 71
among smokers. The death reate per 100,00 for coronary thrombosis is 422 among nonsmokers and 599
among smokers. The prevalence of smoking in the population is 55%. On the basis of the relative risk
and etiologic fractions associated with smoking for lung cancer and coronary thrombosis, which of the
following statements is most likely to be correct.
,A. Smoking seems much more likely to be causally related to lung cancer than to coronary thrombosis
B. Smoking seems to be equally causally related to lung cancer and coronary thrombosis
C. Smoking does not seem to be causally related to either lung cancer or coronary thrombosis.
D. No comparative statement is possible between smoking and lung cancer or coronary thrombosis
E. Smoking seems much more likely to be causally related to coronary thrombosis than to lung cancer
True - CORRECT ANSWER✅✅T/F: The three categories of descriptive epidemiologic variables are
person, place, and time.
False - CORRECT ANSWER✅✅T/F: The human biological clock phenomenon is linked to place variation
in diseases.
False - CORRECT ANSWER✅✅T/F: In the United States, breast cancer is the leading cause of cancer
deaths among females
True - CORRECT ANSWER✅✅T/F: The WHO is a major source of information about worldwide
international variations in rates of disease.
False - CORRECT ANSWER✅✅T/F: Prevalence of multiple sclerosis varies in latitude in the United
States.
False - CORRECT ANSWER✅✅T/F: The Freedom of Information Act allows the release of personal
medical data.
True - CORRECT ANSWER✅✅T/F: A registry is a centralized database of information about a disease.
True - CORRECT ANSWER✅✅T/F: The National Health Survey consists of several distinct programs
conducted by the National Center for Health Statistics.
, False - CORRECT ANSWER✅✅T/F: Health Insurance statistics provide a generally representative picture
of the health status of the U.S. population
C - CORRECT ANSWER✅✅Age- specific and age-adjusted rates by sex in the United States generally
show the following sex differences:
A. Rates for males are higher than rates for females from age 6 to age 85 and older.
B. Rates fro males are equal to rates for females during the first 5 years of life
C. Rates for males are higher than rates for females from birth to age 85 and older.
D. Rates for females are higher than reates for males from birth to age 85 and older.
B - CORRECT ANSWER✅✅According to classic studies, age- standardized morbidity rates in the United
States for acute conditions, chronic conditions, and disability due to acute conditions show the following
sex differences:
A. Rates for males are equal to rates for females
B. Rates for females are higher than rates for males
C. Rates for males are higher than rates for females
D. Females have higher rates of hearing than males
D - CORRECT ANSWER✅✅Cyclic variations in the occurrence of disease may reflect:
A. Changes in the risk-taking behavior of persons
A - CORRECT ANSWER✅✅If the exposure is considered the cause of disease, which measure can be
used to calculate the number of disease cases that would be eliminated if the exposure were
eliminated?
A. Risk difference ("Attributable risk")
B. Attributable proportion among the exposed ("attributable fraction")
C. Risk Ratio
D. Proportional Mortality Ratio
C - CORRECT ANSWER✅✅Which type of comparison gives information about the strength of the
relationship between the exposure and disease and is most useful for etiologic research?
A. Standard comparison
B. Direct standardization
C. Relative comparison
D. Absolute comparison
A - CORRECT ANSWER✅✅Which of the following represents the numeric value of a relative comparison
measure if the exposure prevents disease?
A. 0.81
B. 1.22
C. 1.37
D. 1.05
A - CORRECT ANSWER✅✅The death rate per 100,000 for lung cancer is 7 among nonsmokers and 71
among smokers. The death reate per 100,00 for coronary thrombosis is 422 among nonsmokers and 599
among smokers. The prevalence of smoking in the population is 55%. On the basis of the relative risk
and etiologic fractions associated with smoking for lung cancer and coronary thrombosis, which of the
following statements is most likely to be correct.
,A. Smoking seems much more likely to be causally related to lung cancer than to coronary thrombosis
B. Smoking seems to be equally causally related to lung cancer and coronary thrombosis
C. Smoking does not seem to be causally related to either lung cancer or coronary thrombosis.
D. No comparative statement is possible between smoking and lung cancer or coronary thrombosis
E. Smoking seems much more likely to be causally related to coronary thrombosis than to lung cancer
True - CORRECT ANSWER✅✅T/F: The three categories of descriptive epidemiologic variables are
person, place, and time.
False - CORRECT ANSWER✅✅T/F: The human biological clock phenomenon is linked to place variation
in diseases.
False - CORRECT ANSWER✅✅T/F: In the United States, breast cancer is the leading cause of cancer
deaths among females
True - CORRECT ANSWER✅✅T/F: The WHO is a major source of information about worldwide
international variations in rates of disease.
False - CORRECT ANSWER✅✅T/F: Prevalence of multiple sclerosis varies in latitude in the United
States.
False - CORRECT ANSWER✅✅T/F: The Freedom of Information Act allows the release of personal
medical data.
True - CORRECT ANSWER✅✅T/F: A registry is a centralized database of information about a disease.
True - CORRECT ANSWER✅✅T/F: The National Health Survey consists of several distinct programs
conducted by the National Center for Health Statistics.
, False - CORRECT ANSWER✅✅T/F: Health Insurance statistics provide a generally representative picture
of the health status of the U.S. population
C - CORRECT ANSWER✅✅Age- specific and age-adjusted rates by sex in the United States generally
show the following sex differences:
A. Rates for males are higher than rates for females from age 6 to age 85 and older.
B. Rates fro males are equal to rates for females during the first 5 years of life
C. Rates for males are higher than rates for females from birth to age 85 and older.
D. Rates for females are higher than reates for males from birth to age 85 and older.
B - CORRECT ANSWER✅✅According to classic studies, age- standardized morbidity rates in the United
States for acute conditions, chronic conditions, and disability due to acute conditions show the following
sex differences:
A. Rates for males are equal to rates for females
B. Rates for females are higher than rates for males
C. Rates for males are higher than rates for females
D. Females have higher rates of hearing than males
D - CORRECT ANSWER✅✅Cyclic variations in the occurrence of disease may reflect:
A. Changes in the risk-taking behavior of persons
