What are the three main functions of public health?

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BlackTom AI · Accepted Answer

In considering the question about the three main functions of public health, we should evaluate what each option implies and how it aligns with established public health frameworks.
Option 1: 'Assessment, Policy Development, Assurance' This aligns with the classic IOM (Institute of Medicine) framework for public health functions, often summarized as assessment (collecting and analyzing data about health), policy development (creating evidence-based policies to improve health), and assurance (ensuring services and enforcing standards). This option reflects the standard triad used in public health texts.
Option 2: 'Healthcare, Wellness, Insurance' While these terms are related to health broadly, they do not represent the formal public health functions. Healthcare is more about individual clinical services, wellness is a broad outcome rather than a defined function, and insurance concerns financing and coverage rather than system-level public health activities.
Option 3: 'Assessment, Regulation, Sanitation' Assessment is correct in part, but 'Regulation' and 'Sanitation' are components that can fall under broader public health activities, yet they do not complete the widely accepted trio. Regulation is a regulatory approach rather than a core function, and sanitation is a historical focus; the combination misses the explicit 'Policy Development' and 'Assurance' elements.
Option 4: 'Disease management, Relief, Assessment' 'Disease management' focuses on managing diseases often within clinical or care contexts, 'Relief' is more aligned with humanitarian response, and while 'Assessment' is relevant, the set does not capture the full public health framework. This framing oversimplifies and misaligns with the standard public health functions, which emphasize population health policy and system-wide assurance beyond individual disease management.
Overall, Option 1 best matches the accepted model of public health functions, while the other options either mix clinical service concepts with public health or omit key elements necessary to describe population-level public health activities.

Principles of Public Health Week 1 Quiz 1 (2 attempts, 40 minutes)

What are the three main functions of public health?

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