NR 602 – PUBLIC HEALTH NURSING QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A
|LATEST EXAM UPDATE 2026/2027..
Core Domains
Epidemiology and Biostatistics
Community Assessment and Planning
Environmental Health Hazards
Health Promotion and Disease Prevention
Public Health Policy and Advocacy
Culturally Competent Care
Disaster Management and Emergency Preparedness
Global Health Issues
Introduction
The purpose of this examination is to evaluate the clinical proficiency and theoretical mastery of candidates within the field of
SECTION ONE: QUESTIONS 1–100
A community health nurse is conducting an epidemiological study on a local outbreak of foodborne illness. Which term best describes
the rate of new cases of the illness occurring in a specific population over a defined period?
A. Prevalence
,B. Incidence
C. Morbidity
D. Mortality
🟢 B. Incidence
🔴 RATIONALE: Incidence refers to the number of new cases of a disease or health event occurring in a population during a specified
period, whereas prevalence refers to the total number of existing cases at a given time.
A nurse is evaluating the effectiveness of a community-wide smoking cessation program. Which level of prevention is being
implemented?
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Primordial prevention
🟢 A. Primary prevention
🔴 RATIONALE: Primary prevention focuses on preventing the initial occurrence of a disease or health problem through health
promotion and education.
When applying the epidemiological triangle, which component refers to the external factors that allow a disease to be transmitted to a
host?
A. Agent
B. Host
C. Environment
D. Vector
🟢 C. Environment
🔴 RATIONALE: The epidemiological triangle consists of the agent (cause), the host (person), and the environment (external
conditions that facilitate transmission).
Which ethical principle is primarily involved when a nurse ensures that all members of a marginalized community have equal access to
health resources?
A. Autonomy
B. Non-maleficence
C. Justice
D. Beneficence
🟢 C. Justice
🔴 RATIONALE: Justice in public health implies fairness in the distribution of resources and opportunities, ensuring equitable access
for all population members.
, A nurse is assisting a community in developing a disaster preparedness plan for a chemical spill. What is the first priority during the
mitigation phase?
A. Evacuation planning
B. Hazard identification and risk assessment
C. Resource stockpiling
D. Emergency communication testing
🟢 B. Hazard identification and risk assessment
🔴 RATIONALE: Before planning for response, one must identify the potential threats and assess the risks to the community to create
an effective mitigation strategy.
Which document outlines the national health objectives and goals for the United States, providing a framework for public health
improvement?
A. The Surgeon General's Report
B. Healthy People 2030
C. The Affordable Care Act
D. The Public Health Service Act
🟢 B. Healthy People 2030
🔴 RATIONALE: Healthy People 2030 provides science-based, 10-year national objectives for improving the health of all Americans.
A nurse is working with an immigrant population and notices a high rate of tuberculosis. Which aspect of culture is most important to
assess when planning treatment adherence?
A. Religious beliefs regarding illness
B. Language barriers and health literacy
C. Traditional health practices
D. All of the above
🟢 D. All of the above
🔴 RATIONALE: Effective culturally competent care requires assessment of all aspects of a patient’s life, including beliefs, language,
and practices, to ensure successful treatment outcomes.
Which action by a public health nurse best represents the "upstream" approach to healthcare?
A. Treating patients with diabetes in a clinic
B. Advocating for legislation to improve urban air quality
C. Providing wound care for chronic ulcers
D. Administering vaccinations to children
🟢 B. Advocating for legislation to improve urban air quality
|LATEST EXAM UPDATE 2026/2027..
Core Domains
Epidemiology and Biostatistics
Community Assessment and Planning
Environmental Health Hazards
Health Promotion and Disease Prevention
Public Health Policy and Advocacy
Culturally Competent Care
Disaster Management and Emergency Preparedness
Global Health Issues
Introduction
The purpose of this examination is to evaluate the clinical proficiency and theoretical mastery of candidates within the field of
SECTION ONE: QUESTIONS 1–100
A community health nurse is conducting an epidemiological study on a local outbreak of foodborne illness. Which term best describes
the rate of new cases of the illness occurring in a specific population over a defined period?
A. Prevalence
,B. Incidence
C. Morbidity
D. Mortality
🟢 B. Incidence
🔴 RATIONALE: Incidence refers to the number of new cases of a disease or health event occurring in a population during a specified
period, whereas prevalence refers to the total number of existing cases at a given time.
A nurse is evaluating the effectiveness of a community-wide smoking cessation program. Which level of prevention is being
implemented?
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Primordial prevention
🟢 A. Primary prevention
🔴 RATIONALE: Primary prevention focuses on preventing the initial occurrence of a disease or health problem through health
promotion and education.
When applying the epidemiological triangle, which component refers to the external factors that allow a disease to be transmitted to a
host?
A. Agent
B. Host
C. Environment
D. Vector
🟢 C. Environment
🔴 RATIONALE: The epidemiological triangle consists of the agent (cause), the host (person), and the environment (external
conditions that facilitate transmission).
Which ethical principle is primarily involved when a nurse ensures that all members of a marginalized community have equal access to
health resources?
A. Autonomy
B. Non-maleficence
C. Justice
D. Beneficence
🟢 C. Justice
🔴 RATIONALE: Justice in public health implies fairness in the distribution of resources and opportunities, ensuring equitable access
for all population members.
, A nurse is assisting a community in developing a disaster preparedness plan for a chemical spill. What is the first priority during the
mitigation phase?
A. Evacuation planning
B. Hazard identification and risk assessment
C. Resource stockpiling
D. Emergency communication testing
🟢 B. Hazard identification and risk assessment
🔴 RATIONALE: Before planning for response, one must identify the potential threats and assess the risks to the community to create
an effective mitigation strategy.
Which document outlines the national health objectives and goals for the United States, providing a framework for public health
improvement?
A. The Surgeon General's Report
B. Healthy People 2030
C. The Affordable Care Act
D. The Public Health Service Act
🟢 B. Healthy People 2030
🔴 RATIONALE: Healthy People 2030 provides science-based, 10-year national objectives for improving the health of all Americans.
A nurse is working with an immigrant population and notices a high rate of tuberculosis. Which aspect of culture is most important to
assess when planning treatment adherence?
A. Religious beliefs regarding illness
B. Language barriers and health literacy
C. Traditional health practices
D. All of the above
🟢 D. All of the above
🔴 RATIONALE: Effective culturally competent care requires assessment of all aspects of a patient’s life, including beliefs, language,
and practices, to ensure successful treatment outcomes.
Which action by a public health nurse best represents the "upstream" approach to healthcare?
A. Treating patients with diabetes in a clinic
B. Advocating for legislation to improve urban air quality
C. Providing wound care for chronic ulcers
D. Administering vaccinations to children
🟢 B. Advocating for legislation to improve urban air quality
