Community Health RN V2 Exit HESI Exam | Latest Update 2026/2027
| 200 Questions and Verified Answers | Complete Q&A Guide | A+
Graded
1. A community health nurse is investigating an outbreak of hepatitis A in a county. Which
epidemiological measure should the nurse calculate first?
A. Case fatality rate
B. Incidence rate
C. Prevalence rate
D. Attack rate
Answer: D. Attack rate
Explanation: Attack rate is a type of incidence rate specifically used to describe outbreaks. It helps
identify the proportion of exposed individuals who become ill during a specific time period, making it
the most appropriate first measure in outbreak investigation.
2. A nurse is using the web of causation model to understand a rise in type 2 diabetes. Which factor best
represents a biological determinant?
A. Lack of grocery stores
B. Insulin resistance
C. Sedentary lifestyle
D. Food advertising
Answer: B. Insulin resistance
,Explanation: Biological determinants include genetic and physiological factors such as insulin resistance.
The other options represent social or environmental determinants.
3. Which level of prevention is a nurse using when teaching hand hygiene to schoolchildren to prevent
influenza?
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Quaternary prevention
Answer: A. Primary prevention
Explanation: Primary prevention aims to prevent disease before it occurs through health education,
immunizations, and hygiene practices.
4. A community health nurse reviews mortality data. The number of new cases of lung cancer in 2025
was 200; total population was 100,000. What is the incidence rate per 100,000?
A. 0.2
B. 2
C. 200
D. 2000
Answer: C. 200
,Explanation: (200/100,000) × 100,000 = 200 per 100,000.
5. A nurse conducts a screening for hypertension at a senior center. This is an example of:
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Health promotion
Answer: B. Secondary prevention
Explanation: Secondary prevention focuses on early detection and treatment of disease through
screening activities.
6. Which factor is an example of a vector in disease transmission?
A. Contaminated water
B. Infected needle
C. Mosquito
D. Unwashed hands
Answer: C. Mosquito
Explanation: A vector is a living organism that transmits an infectious agent, such as a mosquito carrying
West Nile virus.
, 7. A nurse calculates the number of existing cases of COPD in a county divided by the total population.
Which measure is this?
A. Incidence
B. Prevalence
C. Morbidity
D. Mortality
Answer: B. Prevalence
Explanation: Prevalence measures all existing cases (both new and preexisting) of a disease in a
population at a given point in time.
8. A community health nurse is planning a primary prevention strategy for reducing obesity in a
community. Which of the following strategies should the nurse use?
A. Screening for BMI in schools
B. Implementing a communitywide physical activity campaign
C. Referring obese clients to nutritionists
D. Establishing weight loss support groups
Answer: B. Implementing a communitywide physical activity campaign
| 200 Questions and Verified Answers | Complete Q&A Guide | A+
Graded
1. A community health nurse is investigating an outbreak of hepatitis A in a county. Which
epidemiological measure should the nurse calculate first?
A. Case fatality rate
B. Incidence rate
C. Prevalence rate
D. Attack rate
Answer: D. Attack rate
Explanation: Attack rate is a type of incidence rate specifically used to describe outbreaks. It helps
identify the proportion of exposed individuals who become ill during a specific time period, making it
the most appropriate first measure in outbreak investigation.
2. A nurse is using the web of causation model to understand a rise in type 2 diabetes. Which factor best
represents a biological determinant?
A. Lack of grocery stores
B. Insulin resistance
C. Sedentary lifestyle
D. Food advertising
Answer: B. Insulin resistance
,Explanation: Biological determinants include genetic and physiological factors such as insulin resistance.
The other options represent social or environmental determinants.
3. Which level of prevention is a nurse using when teaching hand hygiene to schoolchildren to prevent
influenza?
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Quaternary prevention
Answer: A. Primary prevention
Explanation: Primary prevention aims to prevent disease before it occurs through health education,
immunizations, and hygiene practices.
4. A community health nurse reviews mortality data. The number of new cases of lung cancer in 2025
was 200; total population was 100,000. What is the incidence rate per 100,000?
A. 0.2
B. 2
C. 200
D. 2000
Answer: C. 200
,Explanation: (200/100,000) × 100,000 = 200 per 100,000.
5. A nurse conducts a screening for hypertension at a senior center. This is an example of:
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention
D. Health promotion
Answer: B. Secondary prevention
Explanation: Secondary prevention focuses on early detection and treatment of disease through
screening activities.
6. Which factor is an example of a vector in disease transmission?
A. Contaminated water
B. Infected needle
C. Mosquito
D. Unwashed hands
Answer: C. Mosquito
Explanation: A vector is a living organism that transmits an infectious agent, such as a mosquito carrying
West Nile virus.
, 7. A nurse calculates the number of existing cases of COPD in a county divided by the total population.
Which measure is this?
A. Incidence
B. Prevalence
C. Morbidity
D. Mortality
Answer: B. Prevalence
Explanation: Prevalence measures all existing cases (both new and preexisting) of a disease in a
population at a given point in time.
8. A community health nurse is planning a primary prevention strategy for reducing obesity in a
community. Which of the following strategies should the nurse use?
A. Screening for BMI in schools
B. Implementing a communitywide physical activity campaign
C. Referring obese clients to nutritionists
D. Establishing weight loss support groups
Answer: B. Implementing a communitywide physical activity campaign
