Walden PUBH 6001 Introduction to
Public Health Final Exam Practice
Examination 2026–2027 Comprehensive
Question Practice Test with Answers &
Rationales Free Pdf Access
1.
Which statement best describes the primary purpose of public health?
A. Treating individual patients
B. Protecting and improving population health
C. Performing surgical procedures
D. Dispensing medications
Answer: B
Rationale: Public health focuses on protecting and improving the health of communities and
populations, with strong emphasis on prevention.
2.
Which of the following is one of the core public-health activities?
A. Disease prevention
B. Cosmetic surgery
C. Individual psychotherapy only
D. Hospital billing
Answer: A
Rationale: Prevention is central to public health, along with health protection and health
promotion.
3.
,Which public-health activity is an example of primary prevention?
A. Stroke rehabilitation
B. Cancer treatment
C. Childhood vaccination
D. Screening mammography
Answer: C
Rationale: Primary prevention acts before disease develops. Vaccination prevents susceptible
people from developing vaccine-preventable disease.
4.
Which activity represents secondary prevention?
A. Immunization
B. Screening for hypertension
C. Physical rehabilitation
D. Hospice care
Answer: B
Rationale: Secondary prevention identifies disease early through screening and other early-
detection measures.
5.
Which activity represents tertiary prevention?
A. Smoking-prevention education
B. Childhood immunization
C. Rehabilitation after a stroke
D. Safe-water education
Answer: C
Rationale: Tertiary prevention attempts to reduce complications, disability, and further
deterioration after disease has developed.
6.
Which measure describes the number of new disease cases occurring during a specified period?
A. Prevalence
B. Incidence
,C. Mortality
D. Case fatality
Answer: B
Rationale: Incidence measures newly occurring cases within a specified population and time
period.
7.
Which measure describes the proportion of a population that has a disease at a particular time?
A. Incidence
B. Prevalence
C. Mortality
D. Attack rate
Answer: B
Rationale: Prevalence describes existing disease burden at a particular time or over a specified
period.
8.
A community has 500 residents, and 50 currently have diabetes. What is the prevalence?
A. 1%
B. 5%
C. 10%
D. 50%
Answer: C
Rationale: 50 ÷ 500 = 0.10, or 10%.
9.
Mortality refers to:
A. Disease occurrence
B. Death in a population
C. New disease cases
D. Existing disease cases
Answer: B
, Rationale: Mortality describes death within a population.
10.
Morbidity refers primarily to:
A. Death
B. Disease or illness
C. Birth
D. Migration
Answer: B
Rationale: Morbidity describes illness, disease, injury, or disability within a population.
11.
Which historical figure is associated with investigating the 1854 cholera outbreak in London?
A. John Snow
B. Edward Jenner
C. Florence Nightingale
D. Alexander Fleming
Answer: A
Rationale: John Snow used geographic and epidemiologic information to investigate the source
of the cholera outbreak.
12.
John Snow's cholera investigation is considered important because it demonstrated:
A. The use of population data to investigate disease
B. The discovery of antibiotics
C. The development of MRI
D. The discovery of insulin
Answer: A
Rationale: Snow's investigation illustrates how epidemiologic data can identify patterns and
potential disease sources.
13.
Public Health Final Exam Practice
Examination 2026–2027 Comprehensive
Question Practice Test with Answers &
Rationales Free Pdf Access
1.
Which statement best describes the primary purpose of public health?
A. Treating individual patients
B. Protecting and improving population health
C. Performing surgical procedures
D. Dispensing medications
Answer: B
Rationale: Public health focuses on protecting and improving the health of communities and
populations, with strong emphasis on prevention.
2.
Which of the following is one of the core public-health activities?
A. Disease prevention
B. Cosmetic surgery
C. Individual psychotherapy only
D. Hospital billing
Answer: A
Rationale: Prevention is central to public health, along with health protection and health
promotion.
3.
,Which public-health activity is an example of primary prevention?
A. Stroke rehabilitation
B. Cancer treatment
C. Childhood vaccination
D. Screening mammography
Answer: C
Rationale: Primary prevention acts before disease develops. Vaccination prevents susceptible
people from developing vaccine-preventable disease.
4.
Which activity represents secondary prevention?
A. Immunization
B. Screening for hypertension
C. Physical rehabilitation
D. Hospice care
Answer: B
Rationale: Secondary prevention identifies disease early through screening and other early-
detection measures.
5.
Which activity represents tertiary prevention?
A. Smoking-prevention education
B. Childhood immunization
C. Rehabilitation after a stroke
D. Safe-water education
Answer: C
Rationale: Tertiary prevention attempts to reduce complications, disability, and further
deterioration after disease has developed.
6.
Which measure describes the number of new disease cases occurring during a specified period?
A. Prevalence
B. Incidence
,C. Mortality
D. Case fatality
Answer: B
Rationale: Incidence measures newly occurring cases within a specified population and time
period.
7.
Which measure describes the proportion of a population that has a disease at a particular time?
A. Incidence
B. Prevalence
C. Mortality
D. Attack rate
Answer: B
Rationale: Prevalence describes existing disease burden at a particular time or over a specified
period.
8.
A community has 500 residents, and 50 currently have diabetes. What is the prevalence?
A. 1%
B. 5%
C. 10%
D. 50%
Answer: C
Rationale: 50 ÷ 500 = 0.10, or 10%.
9.
Mortality refers to:
A. Disease occurrence
B. Death in a population
C. New disease cases
D. Existing disease cases
Answer: B
, Rationale: Mortality describes death within a population.
10.
Morbidity refers primarily to:
A. Death
B. Disease or illness
C. Birth
D. Migration
Answer: B
Rationale: Morbidity describes illness, disease, injury, or disability within a population.
11.
Which historical figure is associated with investigating the 1854 cholera outbreak in London?
A. John Snow
B. Edward Jenner
C. Florence Nightingale
D. Alexander Fleming
Answer: A
Rationale: John Snow used geographic and epidemiologic information to investigate the source
of the cholera outbreak.
12.
John Snow's cholera investigation is considered important because it demonstrated:
A. The use of population data to investigate disease
B. The discovery of antibiotics
C. The development of MRI
D. The discovery of insulin
Answer: A
Rationale: Snow's investigation illustrates how epidemiologic data can identify patterns and
potential disease sources.
13.
