A) Providing direct patient care in hospital settings
B) Promoting and preserving the health of populations
C) Administering medications to individual clients in clinics
D) Performing rehabilitation services for the disabled
Correct Answer: Promoting and preserving the health of populations
Rationale: Community health nursing is population-focused, emphasizing health promotion and
disease prevention for entire communities rather than individual acute care . This distinguishes
it from hospital-based nursing. The ultimate goal is to improve the health of the community as a
whole through organized effort .
2. The three core functions of public health, as established by the Institute of Medicine, are:
A) Assessment, Treatment, and Evaluation
B) Assessment, Policy Development, and Assurance
C) Prevention, Intervention, and Rehabilitation
D) Surveillance, Diagnosis, and Treatment
Correct Answer: Assessment, Policy Development, and Assurance
Rationale: The three core public health functions are Assessment (systematically collecting data
on the population), Policy Development (using scientific knowledge to develop health policies),
and Assurance (ensuring essential community health services are available) . These functions
guide community health nursing practice and focus on population-level interventions.
3. The study of the distribution and determinants of health and disease in human populations is
called:
,A) Sociology
B) Epidemiology
C) Biostatistics
D) Environmental science
Correct Answer: Epidemiology
Rationale: Epidemiology is the study of the distribution and determinants of health-related
states and events in specified populations . It is the foundation of public health, helping
community health nurses identify disease patterns, risk factors, and populations at risk to guide
interventions.
4. According to the epidemiological triangle, the three components necessary for disease
transmission are:
A) Person, place, and time
B) Host, agent, and environment
C) Susceptibility, exposure, and outcome
D) Primary, secondary, and tertiary
Correct Answer: Host, agent, and environment
Rationale: The epidemiological triangle is a model that explains the interaction between the
host (susceptible individual), the agent (cause of the disease), and the environment (external
factors that allow transmission) . This model helps community health nurses understand disease
causality and develop prevention strategies.
5. Which of the following is the single leading preventable cause of death in the United States?
A) Alcohol use
, B) Firearms
C) Overweight and obesity
D) Tobacco use
Correct Answer: Tobacco use
Rationale: Tobacco use is the single leading preventable cause of death in the United States,
contributing to numerous chronic diseases, including lung cancer, heart disease, and COPD .
Community health nurses play a key role in tobacco prevention and cessation programs.
6. The three levels of prevention in community health nursing are:
A) Primary, secondary, and tertiary
B) Primary, secondary, and quaternary
C) Individual, family, and community
D) Assessment, diagnosis, and treatment
Correct Answer: Primary, secondary, and tertiary
Rationale: The three established levels of prevention are primary (preventing disease before it
occurs), secondary (early detection and treatment to limit disease), and tertiary (rehabilitation
to minimize complications) . This framework guides community health nursing interventions
across all practice settings.
7. When teaching a community group about hand hygiene to prevent the spread of infection,
which level of prevention is the nurse implementing?
A) Primary prevention
B) Secondary prevention
C) Tertiary prevention