Community and Public Health Nursing
What the exam expects
Community health items shift the focus from the individual to populations. You must understand levels of prevention, epidemiology basics, health promotion, and the nurse's role in disaster and communicable-disease response.
Concepts to master
- Levels of prevention: primary (prevent before disease-immunization, education), secondary (early detection-screening), tertiary (reduce complications-rehabilitation, chronic disease management).
- Epidemiology: incidence (new cases) vs prevalence (all existing cases); attack rate in outbreaks; the epidemiologic triad (host, agent, environment).
- Communicable disease: modes of transmission, isolation, and reporting requirements.
- Health promotion and education: community assessment, target at-risk groups, and evaluate program outcomes.
- Disaster and emergency response: triage principles and the nurse's role in preparedness.
Common traps
Distractors confuse incidence with prevalence or mislabel a screening program as primary prevention. Community items often present an individual intervention when the question asks for a population-level action. Disaster items test whether you prioritize life-threatening casualties over less urgent ones.
Rule of thumb
Ask: individual or population? Then ask: before, during, or after disease? That single sequence resolves most prevention-level and scope questions.
Worked example
A nurse organizes a blood-pressure screening fair at a community center. Which level of prevention? Secondary prevention-screening detects disease early in asymptomatic people; primary prevention would be teaching lifestyle change before disease develops.