, D450 OA Exam Prep (2026) – WGU
Community Health OA – 100+ Practice
Questions & Study Guide Guarantee Pass
1. What is the primary focus of population-focused nursing?
A. Treating acute illnesses in hospitalized patients
B. Improving health outcomes of groups and populations
C. Providing surgical care
D. Managing individual medication schedules
Correct Answer: B. Improving health outcomes of groups and populations
Rationale: Population-focused nursing emphasizes the health of groups, communities, and
populations rather than focusing exclusively on individual patients.
2. A community health nurse is primarily concerned with which outcome?
A. Increasing hospital admissions
B. Improving population health
C. Increasing medication use
D. Providing intensive care
Correct Answer: B. Improving population health
Rationale: Community health nursing aims to promote health, prevent disease, reduce risks,
and improve outcomes across populations.
3. Which statement best distinguishes community-based nursing from community-oriented
nursing?
A. Community-based nursing focuses on individuals, while community-oriented nursing focuses
on populations
B. Community-based nursing is limited to hospitals
C. Community-oriented nursing only provides bedside care
D. The two terms are always identical
,Correct Answer: A. Community-based nursing focuses on individuals, while community-
oriented nursing focuses on populations
Rationale: Community-based nursing generally provides care to individuals and families in
community settings, whereas community-oriented nursing emphasizes population health.
4. What is an aggregate in community health nursing?
A. A single patient with multiple diagnoses
B. A group of people who share one or more characteristics
C. A hospital department
D. A healthcare provider organization
Correct Answer: B. A group of people who share one or more characteristics
Rationale: An aggregate is a population subgroup that shares characteristics such as age,
location, occupation, or health risks.
5. Which activity is an example of primary prevention?
A. Mammography screening
B. Rehabilitation after a stroke
C. Childhood immunization
D. Treatment of pneumonia
Correct Answer: C. Childhood immunization
Rationale: Primary prevention occurs before disease develops and includes vaccination, health
education, and risk reduction.
6. Which activity represents secondary prevention?
A. Immunization
B. Blood pressure screening
C. Physical rehabilitation
D. Hospice care
Correct Answer: B. Blood pressure screening
, Rationale: Secondary prevention emphasizes early detection and treatment through activities
such as screening.
7. Which intervention is an example of tertiary prevention?
A. Smoking-prevention education for teenagers
B. Influenza vaccination
C. Rehabilitation after a stroke
D. Screening for colorectal cancer
Correct Answer: C. Rehabilitation after a stroke
Rationale: Tertiary prevention reduces complications and disability after a disease or condition
has developed.
8. A nurse teaches adolescents about avoiding tobacco use before they begin smoking. Which
level of prevention is this?
A. Primary
B. Secondary
C. Tertiary
D. Restorative
Correct Answer: A. Primary
Rationale: Preventing exposure or disease before it occurs is primary prevention.
Epidemiology
9. What does epidemiology primarily study?
A. Individual medication responses
B. Distribution and determinants of health-related events in populations
C. Hospital billing procedures
D. Surgical techniques
Correct Answer: B. Distribution and determinants of health-related events in populations
Rationale: Epidemiology examines patterns, causes, and determinants of disease and health
events in populations.
Community Health OA – 100+ Practice
Questions & Study Guide Guarantee Pass
1. What is the primary focus of population-focused nursing?
A. Treating acute illnesses in hospitalized patients
B. Improving health outcomes of groups and populations
C. Providing surgical care
D. Managing individual medication schedules
Correct Answer: B. Improving health outcomes of groups and populations
Rationale: Population-focused nursing emphasizes the health of groups, communities, and
populations rather than focusing exclusively on individual patients.
2. A community health nurse is primarily concerned with which outcome?
A. Increasing hospital admissions
B. Improving population health
C. Increasing medication use
D. Providing intensive care
Correct Answer: B. Improving population health
Rationale: Community health nursing aims to promote health, prevent disease, reduce risks,
and improve outcomes across populations.
3. Which statement best distinguishes community-based nursing from community-oriented
nursing?
A. Community-based nursing focuses on individuals, while community-oriented nursing focuses
on populations
B. Community-based nursing is limited to hospitals
C. Community-oriented nursing only provides bedside care
D. The two terms are always identical
,Correct Answer: A. Community-based nursing focuses on individuals, while community-
oriented nursing focuses on populations
Rationale: Community-based nursing generally provides care to individuals and families in
community settings, whereas community-oriented nursing emphasizes population health.
4. What is an aggregate in community health nursing?
A. A single patient with multiple diagnoses
B. A group of people who share one or more characteristics
C. A hospital department
D. A healthcare provider organization
Correct Answer: B. A group of people who share one or more characteristics
Rationale: An aggregate is a population subgroup that shares characteristics such as age,
location, occupation, or health risks.
5. Which activity is an example of primary prevention?
A. Mammography screening
B. Rehabilitation after a stroke
C. Childhood immunization
D. Treatment of pneumonia
Correct Answer: C. Childhood immunization
Rationale: Primary prevention occurs before disease develops and includes vaccination, health
education, and risk reduction.
6. Which activity represents secondary prevention?
A. Immunization
B. Blood pressure screening
C. Physical rehabilitation
D. Hospice care
Correct Answer: B. Blood pressure screening
, Rationale: Secondary prevention emphasizes early detection and treatment through activities
such as screening.
7. Which intervention is an example of tertiary prevention?
A. Smoking-prevention education for teenagers
B. Influenza vaccination
C. Rehabilitation after a stroke
D. Screening for colorectal cancer
Correct Answer: C. Rehabilitation after a stroke
Rationale: Tertiary prevention reduces complications and disability after a disease or condition
has developed.
8. A nurse teaches adolescents about avoiding tobacco use before they begin smoking. Which
level of prevention is this?
A. Primary
B. Secondary
C. Tertiary
D. Restorative
Correct Answer: A. Primary
Rationale: Preventing exposure or disease before it occurs is primary prevention.
Epidemiology
9. What does epidemiology primarily study?
A. Individual medication responses
B. Distribution and determinants of health-related events in populations
C. Hospital billing procedures
D. Surgical techniques
Correct Answer: B. Distribution and determinants of health-related events in populations
Rationale: Epidemiology examines patterns, causes, and determinants of disease and health
events in populations.
