WGU D450 Community Health and Population-
Focused Nursing OA (Objective Assessment)
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WGU D450 Community Health and Population-Focused Nursing OA (Objective Assessment). Each
question includes a verified answer and a summarized rationale based on public health nursing
principles, epidemiology, community assessment, disaster nursing, vulnerable populations, and program
planning.
Note on Exam Coverage: This assessment aligns with the WGU Community Health and Population-
Focused Nursing course, covering: community health nursing roles, epidemiology and disease
surveillance, prevention levels (primary/secondary/tertiary), community assessment and intervention,
vulnerable populations, disaster management, program planning (e.g., MAP-IT, nursing process),
environmental health, and ethical/legal considerations in public health.
Domain 1: Foundations of Community Health Nursing (Questions 1–35)
1. A community health nurse is working with a population to reduce the incidence of type 2 diabetes.
This focus on a defined population rather than individual patients is characteristic of:
A) Tertiary care nursing
B) Population-focused nursing
C) Acute care nursing
D) Palliative nursing
Correct Answer: B. Population-focused nursing emphasizes health outcomes for entire groups or
communities, not just one-on-one care .
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2. A nurse is using the nursing process at the community level. Which action represents the “diagnosis”
phase applied to a community?
A) Administering flu vaccines at a senior center
B) Analyzing data to identify that the community has a higher than average rate of childhood obesity
C) Implementing a walking program for residents
D) Asking individual patients about their smoking habits
Correct Answer: B. Community diagnosis involves analyzing assessment data to identify health problems
or risks that affect the population .
3. A public health nurse is investigating an outbreak of foodborne illness. This role is most closely
associated with which core public health function?
A) Assurance
B) Policy development
C) Assessment
D) Quality improvement
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Correct Answer: C. Assessment includes systematic data collection and surveillance, such as outbreak
investigation .
4. A community health nurse advocating for a new bike lane to promote physical activity is engaging in
which core public health function?
A) Assessment
B) Policy development
C) Assurance
D) Evaluation
Correct Answer: B. Policy development involves using scientific knowledge to develop policies that
support health, such as infrastructure changes .
5. A nurse ensures that a local health department has the resources to provide well-child clinics. This
activity falls under the core function of:
A) Assessment
B) Policy development
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C) Assurance
D) Research
Correct Answer: C. Assurance focuses on ensuring that necessary health services are available and
accessible to the community .
6. A nurse working in a migrant health clinic is providing direct care to farmworkers. This is an example
of which level of practice?
A) Community-level intervention
B) Systems-level intervention
C) Individual-/family-level intervention
D) Policy-level intervention
Correct Answer: C. Direct care to individuals or families represents the individual-/family-level of
community health nursing practice.
7. A nurse changes the intake process at a homeless shelter to ensure that all clients are screened for
hypothermia. This is a:
A) Individual-level intervention