D450 Community Health Objective Assessment Study Guide 2026 UPDATE
1. A community health nurse is conducting a screening for hypertension at a local community
center. Which level of prevention does this activity represent?
A. Secondary prevention
B. Primary prevention
C. Tertiary prevention
D. Quaternary prevention
Answer: A
Rationale: Secondary prevention focuses on early detection and screening to diagnose
diseases at an early stage when treatment is most effective.
2. Which tool should a nurse use to visualize the relationships and social networks of a family
within their community?
A. Genogram
B. Ecomap
C. Apgar score
D. Logic Model
Answer: B
,Rationale: An ecomap provides a visualization of the family’s connections to external
systems, such as work, school, and community organizations.
3. A nurse is calculating the number of new cases of influenza in a city during the month of
January. Which epidemiological measure is being used?
A. Prevalence rate
B. Attack rate
C. Incidence rate
D. Mortality rate
Answer: C
Rationale: Incidence refers to the number of new cases of a disease in a population over a
specific period.
4. According to the ‘I PREPARE’ mnemonic for environmental health assessments, what does
the first ‘E’ stand for?
A. Environment
B. Education
C. Emergency
D. Environmental factors
Answer: D
, Rationale: In ‘I PREPARE’, the first ‘E’ stands for Environmental factors/Environmental
concerns.
5. Which group is considered a vulnerable population due to significant barriers in accessing
healthcare and increased risk for pesticide exposure?
A. Suburban residents
B. Retired veterans
C. School-age children
D. Migrant farmworkers
Answer: D
Rationale: Migrant farmworkers face unique challenges including linguistic barriers, lack
of insurance, and occupational hazards like pesticides.
6. During a disaster triage, a nurse identifies a victim who is unconscious and has a
respiratory rate of 34 breaths per minute. What color tag should this victim receive?
A. Red
B. Yellow
C. Green
D. Black
Answer: A
1. A community health nurse is conducting a screening for hypertension at a local community
center. Which level of prevention does this activity represent?
A. Secondary prevention
B. Primary prevention
C. Tertiary prevention
D. Quaternary prevention
Answer: A
Rationale: Secondary prevention focuses on early detection and screening to diagnose
diseases at an early stage when treatment is most effective.
2. Which tool should a nurse use to visualize the relationships and social networks of a family
within their community?
A. Genogram
B. Ecomap
C. Apgar score
D. Logic Model
Answer: B
,Rationale: An ecomap provides a visualization of the family’s connections to external
systems, such as work, school, and community organizations.
3. A nurse is calculating the number of new cases of influenza in a city during the month of
January. Which epidemiological measure is being used?
A. Prevalence rate
B. Attack rate
C. Incidence rate
D. Mortality rate
Answer: C
Rationale: Incidence refers to the number of new cases of a disease in a population over a
specific period.
4. According to the ‘I PREPARE’ mnemonic for environmental health assessments, what does
the first ‘E’ stand for?
A. Environment
B. Education
C. Emergency
D. Environmental factors
Answer: D
, Rationale: In ‘I PREPARE’, the first ‘E’ stands for Environmental factors/Environmental
concerns.
5. Which group is considered a vulnerable population due to significant barriers in accessing
healthcare and increased risk for pesticide exposure?
A. Suburban residents
B. Retired veterans
C. School-age children
D. Migrant farmworkers
Answer: D
Rationale: Migrant farmworkers face unique challenges including linguistic barriers, lack
of insurance, and occupational hazards like pesticides.
6. During a disaster triage, a nurse identifies a victim who is unconscious and has a
respiratory rate of 34 breaths per minute. What color tag should this victim receive?
A. Red
B. Yellow
C. Green
D. Black
Answer: A
