Epidemiology: Definitions of Health, Core Functions
of Governmental Public Health, Essential Public
Health Services, Prevention Strategies (Primary,
Secondary, Tertiary), Upstream and Downstream
Interventions, Microscopic and Macroscopic
Theories, Evidence-Based Medicine and Public
Health Practices, Community Health Needs
Assessments, Epidemiology Metrics and Methods,
Healthy People 2030 Goals and Leading Health
Indicators, Key Public Health Organizations and
Agencies, and Practical Pharmacy and Nursing
Interventions for Improving Population Health
Outcomes Exam Questions Verified and Provided
with A+ Graded Rationales Latest Updated 2026
Simple definition of health
The absence of disease
WHO definition of health
a state of complete physical, mental, and social well-being and not merely the absence of
disease or infirmity
What is public health
The science and art of preventing disease, prolonging life, and promoting health and efficiency
through organized community effort
What are three core functions of governmental public health? Be able to align examples with
the function and/or be able to provide examples if given a function.
Assessment
Policy Development
Quality Assurance
, What are essential public health services? Be able to align examples with the services and/or be
able to provide examples if given a service.
Assessment (2)
i. Assess and monitor population health
ii. Investigate, diagnose and address health hazards and root causes
Policy Development (4)
i. Communicate effectively to inform and educate
ii. Strengthen, support and mobilize communities and partnerships
iii. Create, champion and implement policies, plans and laws
iv. Utilize legal and regulatory actions
Quality Assurance (4)
i. Enable equitable access
ii. Build a diverse and skilled workforce
iii. Improve and innovate through evaluation, research and quality improvement
iv. Build and maintain a strong organizational infrastructure for public health
WHO
World Health Organization
Gavi
Global Alliance for Vaccines and Immunization
FIP
International Pharmaceutical Federation
HHS
Department of Health and Human Services
AHRQ
Agency for Healthcare Research and Quality
CDC
Center for Disease Control
FDA
Food and Drug Administration