,NU 655 Exam 1 Foundations of Public Health Nursing Questions And
Answers 2026/2027 Herzing University
Q1. What most clearly distinguishes a population-focused public
health nursing approach from traditional individual-focused clinical
care?
A) It eliminates direct contact with individuals
B) It focuses exclusively on infectious diseases
C) It provides treatment only after illness develops
D) It emphasizes patterns, risks, and interventions affecting groups and
populations
Correct Answer: D) It emphasizes patterns, risks, and interventions affecting
groups and populations
Rationale: Population-focused practice examines health patterns and
determinants across groups and uses interventions designed to improve
outcomes beyond a single individual.
Q2. Lillian Wald's contribution to the development of public health
nursing is most strongly associated with which principle?
A) Separating nursing care from social conditions
B) Addressing illness together with the social and environmental conditions
affecting communities
C) Restricting nursing practice to hospital-based treatment
D) Replacing community services with physician-directed care
Correct Answer: B) Addressing illness together with the social and
environmental conditions affecting communities
Rationale: Wald viewed health as closely connected with poverty, housing,
working conditions, education, and other social circumstances and promoted
nursing involvement in these broader influences.
Q3. John Snow's investigation of cholera is historically important
because it demonstrated the value of:
A) using patterns of disease distribution to identify and act on a probable
source of illness
B) waiting for laboratory confirmation before implementing public health
action
C) relying exclusively on individual patient histories
D) treating all environmental exposures as equally important
, Correct Answer: A) using patterns of disease distribution to identify and act
on a probable source of illness
Rationale: Snow mapped cases, compared patterns of exposure, developed
a hypothesis about contaminated water, and used the findings to guide
preventive action.
Q4. A community has persistently high childhood asthma rates near
heavily trafficked roads. Which response best demonstrates a
population-focused nursing approach?
A) Teach inhaler use only to children already diagnosed with asthma
B) Examine environmental exposure patterns and collaborate on community-
level risk reduction
C) Refer every affected child to the same specialist
D) Concentrate only on medication adherence
Correct Answer: B) Examine environmental exposure patterns and
collaborate on community-level risk reduction
Rationale: Population-focused practice addresses upstream conditions
contributing to illness while still recognizing the importance of individual
care.
Q5. What is the primary purpose of viewing the population as the
client in public health nursing?
A) To eliminate individual nursing interventions
B) To classify all residents as patients
C) To focus only on people with diagnosed disease
D) To improve health outcomes by addressing patterns and determinants
affecting the group
Correct Answer: D) To improve health outcomes by addressing patterns and
determinants affecting the group
Rationale: Treating the population as the client shifts attention toward
collective risks, protective factors, disparities, resources, and interventions
that influence population health.
Q6. Which activity is an example of primary prevention?
A) Rehabilitation after a stroke
B) Screening adults for colorectal cancer
Answers 2026/2027 Herzing University
Q1. What most clearly distinguishes a population-focused public
health nursing approach from traditional individual-focused clinical
care?
A) It eliminates direct contact with individuals
B) It focuses exclusively on infectious diseases
C) It provides treatment only after illness develops
D) It emphasizes patterns, risks, and interventions affecting groups and
populations
Correct Answer: D) It emphasizes patterns, risks, and interventions affecting
groups and populations
Rationale: Population-focused practice examines health patterns and
determinants across groups and uses interventions designed to improve
outcomes beyond a single individual.
Q2. Lillian Wald's contribution to the development of public health
nursing is most strongly associated with which principle?
A) Separating nursing care from social conditions
B) Addressing illness together with the social and environmental conditions
affecting communities
C) Restricting nursing practice to hospital-based treatment
D) Replacing community services with physician-directed care
Correct Answer: B) Addressing illness together with the social and
environmental conditions affecting communities
Rationale: Wald viewed health as closely connected with poverty, housing,
working conditions, education, and other social circumstances and promoted
nursing involvement in these broader influences.
Q3. John Snow's investigation of cholera is historically important
because it demonstrated the value of:
A) using patterns of disease distribution to identify and act on a probable
source of illness
B) waiting for laboratory confirmation before implementing public health
action
C) relying exclusively on individual patient histories
D) treating all environmental exposures as equally important
, Correct Answer: A) using patterns of disease distribution to identify and act
on a probable source of illness
Rationale: Snow mapped cases, compared patterns of exposure, developed
a hypothesis about contaminated water, and used the findings to guide
preventive action.
Q4. A community has persistently high childhood asthma rates near
heavily trafficked roads. Which response best demonstrates a
population-focused nursing approach?
A) Teach inhaler use only to children already diagnosed with asthma
B) Examine environmental exposure patterns and collaborate on community-
level risk reduction
C) Refer every affected child to the same specialist
D) Concentrate only on medication adherence
Correct Answer: B) Examine environmental exposure patterns and
collaborate on community-level risk reduction
Rationale: Population-focused practice addresses upstream conditions
contributing to illness while still recognizing the importance of individual
care.
Q5. What is the primary purpose of viewing the population as the
client in public health nursing?
A) To eliminate individual nursing interventions
B) To classify all residents as patients
C) To focus only on people with diagnosed disease
D) To improve health outcomes by addressing patterns and determinants
affecting the group
Correct Answer: D) To improve health outcomes by addressing patterns and
determinants affecting the group
Rationale: Treating the population as the client shifts attention toward
collective risks, protective factors, disparities, resources, and interventions
that influence population health.
Q6. Which activity is an example of primary prevention?
A) Rehabilitation after a stroke
B) Screening adults for colorectal cancer
