WGU D450 Community Health and Population-Focused
Nursing OA: 150 Practice Questions & Answers 2026/2027
|Instant Download Pdf
Exam Overview:
The WGU D450 Objective Assessment (OA) is a proctored, closed-book exam testing
competencies in community health nursing, population-focused care, epidemiology, and
public health principles . The exam typically consists of 60–150 multiple-choice
questions with approximately 3 hours allowed . A Pass/No Pass mastery model is used .
This question bank covers all 9 course competencies .
EXAM FORMAT & COMPETENCIES
Feature Detail
Course D450 / NURS 3123 – Community Health & Population-Focused
Nursing
Format Proctored, closed-book, computer-based, MCQs
Questions 60–150 (varies by version)
Time ~3 hours
Competencies 9 core competencies
9 Competencies Tested
1. Epidemiology – Principles applied to community health assessment
, 2. Community Care & Collaboration – Planning and coordinating care with partners
3. Community Advocacy – Culturally sensitive strategies for populations
4. Community Health Promotion – Disease and injury prevention initiatives
5. Environmental Health – Environmental impact on community health
6. Global Health – Past and present global health initiatives
7. Emergency Response – Disaster preparation, response, and recovery
8. Cultural Competency – Social and cultural factors in diverse populations
9. Communicable Disease – Impact on individuals, families, and communities
SECTION 1: FOUNDATIONS OF COMMUNITY HEALTH NURSING (Questions 1-25)
Q1. 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:
Answer: Population-focused nursing
Rationale: Population-focused nursing emphasizes health outcomes for entire groups or
communities, not just one-on-one care .
Q2. A nurse is using the nursing process at the community level. Which action
represents the "diagnosis" phase applied to a community?
Answer: Analyzing data to identify that the community has a higher than average rate of
childhood obesity
Rationale: Community diagnosis involves analyzing assessment data to identify health
problems or risks that affect the population .
,Q3. A public health nurse is investigating an outbreak of foodborne illness. This role
is most closely associated with which core public health function?
Answer: Assessment
Rationale: Assessment involves systematic data collection and analysis to determine the
health status of a population . Investigation of outbreaks falls under this function.
Q4. A nurse ensures that a community has access to essential health services,
including immunizations and prenatal care. This is an example of which core public
health function?
Answer: Assurance
Rationale: Assurance focuses on ensuring that necessary health services are available and
accessible to the community . This follows assessment and policy development.
Q5. A nurse changes the intake process at a homeless shelter to ensure that all
clients are screened for hypothermia. This is a:
Answer: Systems-level intervention
Rationale: Systems-level interventions change organizations, policies, or structures that
affect health .
Q6. A nurse organizes a community forum to educate residents about the dangers of
lead paint. This is an example of:
Answer: Primary prevention
Rationale: Primary prevention aims to prevent disease or injury before it occurs through
education and risk reduction .
Q7. A nurse screens a group of preschoolers for vision problems. This activity is
classified as:
, Answer: Secondary prevention
Rationale: Secondary prevention involves early detection through screening to identify
problems before they become severe .
Q8. A nurse provides rehabilitation services to a patient recovering from a stroke.
This is an example of:
Answer: Tertiary prevention
Rationale: Tertiary prevention focuses on rehabilitation and reducing complications of
existing disease . Cardiac and stroke rehabilitation are examples.
Q9. A community health nurse is writing a community diagnosis. Which format is
most appropriate?
Answer: "Risk of falls among older adults related to environmental hazards"
Rationale: A community diagnosis should include the health risk, the affected population,
and related factors, similar to a nursing diagnosis format .
Q10. A nurse is using the MAP-IT framework for program planning. The "M" in MAP-IT
stands for:
Answer: Mobilize
Rationale: MAP-IT begins with Mobilize: engaging community members and partners to
work together on a health goal .
Q11. According to the MAP-IT framework, the "T" stands for:
Answer: Track
Rationale: Track – monitoring progress and outcomes of the intervention .
Nursing OA: 150 Practice Questions & Answers 2026/2027
|Instant Download Pdf
Exam Overview:
The WGU D450 Objective Assessment (OA) is a proctored, closed-book exam testing
competencies in community health nursing, population-focused care, epidemiology, and
public health principles . The exam typically consists of 60–150 multiple-choice
questions with approximately 3 hours allowed . A Pass/No Pass mastery model is used .
This question bank covers all 9 course competencies .
EXAM FORMAT & COMPETENCIES
Feature Detail
Course D450 / NURS 3123 – Community Health & Population-Focused
Nursing
Format Proctored, closed-book, computer-based, MCQs
Questions 60–150 (varies by version)
Time ~3 hours
Competencies 9 core competencies
9 Competencies Tested
1. Epidemiology – Principles applied to community health assessment
, 2. Community Care & Collaboration – Planning and coordinating care with partners
3. Community Advocacy – Culturally sensitive strategies for populations
4. Community Health Promotion – Disease and injury prevention initiatives
5. Environmental Health – Environmental impact on community health
6. Global Health – Past and present global health initiatives
7. Emergency Response – Disaster preparation, response, and recovery
8. Cultural Competency – Social and cultural factors in diverse populations
9. Communicable Disease – Impact on individuals, families, and communities
SECTION 1: FOUNDATIONS OF COMMUNITY HEALTH NURSING (Questions 1-25)
Q1. 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:
Answer: Population-focused nursing
Rationale: Population-focused nursing emphasizes health outcomes for entire groups or
communities, not just one-on-one care .
Q2. A nurse is using the nursing process at the community level. Which action
represents the "diagnosis" phase applied to a community?
Answer: Analyzing data to identify that the community has a higher than average rate of
childhood obesity
Rationale: Community diagnosis involves analyzing assessment data to identify health
problems or risks that affect the population .
,Q3. A public health nurse is investigating an outbreak of foodborne illness. This role
is most closely associated with which core public health function?
Answer: Assessment
Rationale: Assessment involves systematic data collection and analysis to determine the
health status of a population . Investigation of outbreaks falls under this function.
Q4. A nurse ensures that a community has access to essential health services,
including immunizations and prenatal care. This is an example of which core public
health function?
Answer: Assurance
Rationale: Assurance focuses on ensuring that necessary health services are available and
accessible to the community . This follows assessment and policy development.
Q5. A nurse changes the intake process at a homeless shelter to ensure that all
clients are screened for hypothermia. This is a:
Answer: Systems-level intervention
Rationale: Systems-level interventions change organizations, policies, or structures that
affect health .
Q6. A nurse organizes a community forum to educate residents about the dangers of
lead paint. This is an example of:
Answer: Primary prevention
Rationale: Primary prevention aims to prevent disease or injury before it occurs through
education and risk reduction .
Q7. A nurse screens a group of preschoolers for vision problems. This activity is
classified as:
, Answer: Secondary prevention
Rationale: Secondary prevention involves early detection through screening to identify
problems before they become severe .
Q8. A nurse provides rehabilitation services to a patient recovering from a stroke.
This is an example of:
Answer: Tertiary prevention
Rationale: Tertiary prevention focuses on rehabilitation and reducing complications of
existing disease . Cardiac and stroke rehabilitation are examples.
Q9. A community health nurse is writing a community diagnosis. Which format is
most appropriate?
Answer: "Risk of falls among older adults related to environmental hazards"
Rationale: A community diagnosis should include the health risk, the affected population,
and related factors, similar to a nursing diagnosis format .
Q10. A nurse is using the MAP-IT framework for program planning. The "M" in MAP-IT
stands for:
Answer: Mobilize
Rationale: MAP-IT begins with Mobilize: engaging community members and partners to
work together on a health goal .
Q11. According to the MAP-IT framework, the "T" stands for:
Answer: Track
Rationale: Track – monitoring progress and outcomes of the intervention .
