CHLH 274 – Midterm Study Guide
Exam with Actual Answers 2025-2026
Updated.
Epidemiologic methods can be applied to which of the following public health-related fields? -
Answer All of the above (health education, healthcare administration, environmental health)
Which of the following is not considered a use of epidemiology? - Answer To provide
healthcare services to specific individuals
Whether a contaminated food, such as tomatoes, caused an outbreak of gastrointestinal
disease is a simple example of: - Answer A causal association
Which of the following is considered a key characteristic of epidemiology? - Answer All of
these are correct (distribution, population focus, quantification)
Variation in the occurrence of diseases and other health outcomes in populations relates most
closely to: - Answer distribution
Alexander Fleming discovered the antimicrobial properties of Penicillium notatum. - Answer
true
Epidemiology is an observational science that capitalizes on naturally occurring situations. -
Answer true
John Graunt is said to be the first to employ quantitative methods to describe population vital
statistics. - Answer true
The history of epidemiology originated as early as classical antiquity. - Answer true
Bubonic plague is a bacterial disease caused by Yersinia pestis. - Answer true
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The proportionate mortality due to AIDS is:? - Answer 6%
True or False: The infant mortality rate is defined as the number of infant deaths among infants
age 0 to 1 year divided by the number of live births during the same year. - Answer true
,On May 1, 2010, the number of residents of Oklahoma who had been diagnosed with asthma at
any time during their lifetime was A. The population on June 30, 2010 was B. During the same
year, the number of new cases of asthma was C. Which of the following expressions represents
the point prevalence (percentage) of asthma? - Answer (A/B) * 100
The major disadvantage of crude rates is that:? - Answer They do not permit comparison of
populations that vary in composition.
In 1900, the death rate per 100,000 members of the population for influenza and pneumonia (I
& P) was 202.2; it was 22.4 in 2003. How much did the death rate due to I & P decline? - Answer
90%
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The sex-specific mortality rate for AIDS in males is: - Answer
Cannot be computed from the data given.
True or False: At the initial examination in the Framingham study, coronary heart disease was
found in 5 per 1000 men ages 30-44, and in 5 per 1000 women ages 30-44. The inference that in
this age group men and women have an equal risk of getting coronary heart disease is incorrect
because the data are prevalence data and not incidence data.? - Answer true
Epidemiologic measures provide the following type of information: - Answer All of these are
correct (Frequency of disease or condition, Association between exposure and disease, Strength
of relationship between exposure and disease)
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The crude mortality rate in City A is:? - Answer 10 in 1,000
On May 1, 2010, the number of residents of Oklahoma who had been diagnosed with asthma at
any time during their lifetime was A. The population on June 30, 2010 was B. During the same
year, the number of new cases of asthma was C. Which of the following expressions represent
the incidence rate of asthma (per 100,000)? - Answer (C/B) * 100,000
True or False: Disease surveillance can be conducted only with infectious diseases.? - Answer
false
The purpose of state cancer registries is:? - Answer All of these are correct (surveillance, to
help set priorities, to advance research)
, True or False: The U.S. Bureau of the Census provides information that is useful for defining the
denominator in rates.? - Answer true
A limitation of clinical data for epidemiological research is:? - Answer All of these are correct
(incomplete population coverage, highly selective nature of the data, limited availability of the
data)
True or False: Three factors that affect the quality of epidemiologic data are availability,
completeness, and the nature of the data.? - Answer true
At the top of the asthma surveillance pyramid is:? - Answer mortality
Examples of reportable and notifiable diseases include:? - Answer All of these are correct
(tetanus, rubella, measles)
True or False: Public health surveillance programs are used for infectious diseases, noninfectious
diseases, and risk factors for chronic diseases.? - Answer true
True or False: Health insurance statistics provide a generally representative picture of the health
status of the United States population.? - Answer false
Using health-related data that precede diagnosis and signal a sufficient probability of a case or
an outbreak to warrant further public health response is known as:? - Answer syndromic
surveillance
Epidemiology? - Answer The distribution and determinants of health and diseases,
morbidity, injuries, disability, and mortality in populations
Zika Virus Disease? - Answer mosquito-borne virus
-sexually transmitted
Infection during pregnancy
-adverse birth outcomes
-microcephaly
total of 3,520 cases in Brazil
local occurrences in the U.S.
Ebola Virus? - Answer outbreak in West Africa
-upwards of 28,000 cases
Exam with Actual Answers 2025-2026
Updated.
Epidemiologic methods can be applied to which of the following public health-related fields? -
Answer All of the above (health education, healthcare administration, environmental health)
Which of the following is not considered a use of epidemiology? - Answer To provide
healthcare services to specific individuals
Whether a contaminated food, such as tomatoes, caused an outbreak of gastrointestinal
disease is a simple example of: - Answer A causal association
Which of the following is considered a key characteristic of epidemiology? - Answer All of
these are correct (distribution, population focus, quantification)
Variation in the occurrence of diseases and other health outcomes in populations relates most
closely to: - Answer distribution
Alexander Fleming discovered the antimicrobial properties of Penicillium notatum. - Answer
true
Epidemiology is an observational science that capitalizes on naturally occurring situations. -
Answer true
John Graunt is said to be the first to employ quantitative methods to describe population vital
statistics. - Answer true
The history of epidemiology originated as early as classical antiquity. - Answer true
Bubonic plague is a bacterial disease caused by Yersinia pestis. - Answer true
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The proportionate mortality due to AIDS is:? - Answer 6%
True or False: The infant mortality rate is defined as the number of infant deaths among infants
age 0 to 1 year divided by the number of live births during the same year. - Answer true
,On May 1, 2010, the number of residents of Oklahoma who had been diagnosed with asthma at
any time during their lifetime was A. The population on June 30, 2010 was B. During the same
year, the number of new cases of asthma was C. Which of the following expressions represents
the point prevalence (percentage) of asthma? - Answer (A/B) * 100
The major disadvantage of crude rates is that:? - Answer They do not permit comparison of
populations that vary in composition.
In 1900, the death rate per 100,000 members of the population for influenza and pneumonia (I
& P) was 202.2; it was 22.4 in 2003. How much did the death rate due to I & P decline? - Answer
90%
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The sex-specific mortality rate for AIDS in males is: - Answer
Cannot be computed from the data given.
True or False: At the initial examination in the Framingham study, coronary heart disease was
found in 5 per 1000 men ages 30-44, and in 5 per 1000 women ages 30-44. The inference that in
this age group men and women have an equal risk of getting coronary heart disease is incorrect
because the data are prevalence data and not incidence data.? - Answer true
Epidemiologic measures provide the following type of information: - Answer All of these are
correct (Frequency of disease or condition, Association between exposure and disease, Strength
of relationship between exposure and disease)
City A is a community of 100,000 persons. During 1990, there were 1,000 deaths from all
causes. There were 300 cases of AIDS: 200 in males and 100 in females. During 1990, there were
60 deaths from AIDS, 50 in males. The crude mortality rate in City A is:? - Answer 10 in 1,000
On May 1, 2010, the number of residents of Oklahoma who had been diagnosed with asthma at
any time during their lifetime was A. The population on June 30, 2010 was B. During the same
year, the number of new cases of asthma was C. Which of the following expressions represent
the incidence rate of asthma (per 100,000)? - Answer (C/B) * 100,000
True or False: Disease surveillance can be conducted only with infectious diseases.? - Answer
false
The purpose of state cancer registries is:? - Answer All of these are correct (surveillance, to
help set priorities, to advance research)
, True or False: The U.S. Bureau of the Census provides information that is useful for defining the
denominator in rates.? - Answer true
A limitation of clinical data for epidemiological research is:? - Answer All of these are correct
(incomplete population coverage, highly selective nature of the data, limited availability of the
data)
True or False: Three factors that affect the quality of epidemiologic data are availability,
completeness, and the nature of the data.? - Answer true
At the top of the asthma surveillance pyramid is:? - Answer mortality
Examples of reportable and notifiable diseases include:? - Answer All of these are correct
(tetanus, rubella, measles)
True or False: Public health surveillance programs are used for infectious diseases, noninfectious
diseases, and risk factors for chronic diseases.? - Answer true
True or False: Health insurance statistics provide a generally representative picture of the health
status of the United States population.? - Answer false
Using health-related data that precede diagnosis and signal a sufficient probability of a case or
an outbreak to warrant further public health response is known as:? - Answer syndromic
surveillance
Epidemiology? - Answer The distribution and determinants of health and diseases,
morbidity, injuries, disability, and mortality in populations
Zika Virus Disease? - Answer mosquito-borne virus
-sexually transmitted
Infection during pregnancy
-adverse birth outcomes
-microcephaly
total of 3,520 cases in Brazil
local occurrences in the U.S.
Ebola Virus? - Answer outbreak in West Africa
-upwards of 28,000 cases
