WGU D402 Community and Public Health Comprehensive Study Guide 2026 Update with complete solutions.

WGU D402 Community and Public
Health Comprehensive Study Guide

Study Guide for WGU Community and Public Health – D402

This guide is designed to help you prepare efficiently for Western
Governors University Community and Public Health – D402. The
course focuses on population health, prevention strategies, epidemiology,
community assessment, vulnerable populations, policy, and evidence-based
nursing interventions.



1. Core Course Focus Areas

You should be comfortable with:

1. Community Health Nursing Roles

o Advocate
o Educator
o Care coordinator
o Case manager
o Collaborator
o Researcher
2. Public Health Concepts

o Health promotion
o Disease prevention
o Population-focused care
o Social determinants of health
o Health equity

3. Epidemiology

o Incidence vs prevalence

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,o Morbidity vs mortality
o Risk factors
o Outbreak investigation
o Screening programs




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, 4. Community Assessment

o Windshield survey
o Demographic data
o Environmental safety
o Available resources
o Health disparities

5. Levels of Prevention

o Primary
o Secondary
o Tertiary

6. Disaster Preparedness

o Triage
o Emergency response
o Incident Command System (ICS)
o Communication planning

7. Vulnerable Populations

o Homeless individuals
o Elderly
o Children
o Low-income families
o Rural communities
o Immigrants/refugees

8. Health Policy & Ethics

o Advocacy

o Access to care
o Resource allocation
o Cultural competence

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