NURS 340: Public Health & Community Health Nursing
Exam Quiz 3 | Questions and Answers plus Rationale |
Latest Update 2026-2027 | Graded A+ West Coast
University
1. Which correctly defines an adjusted rate?
• A. Detailed rates that are calculated using the number of people in the
smaller subgroups of the population in the denominator
• B. Measure of the probability that people without a certain condition will
develop that condition over a period of time
• C. Measure of the number of people in a given population who have an
existing condition at a given point in time
• D. Statistical procedure that removes the effects of differences in the
composition of a population, such as age or gender, or geographical region
Correct Answer: D — Statistical procedure that removes the effects of
differences in the composition of a population, such as age or gender, or
geographical region
Rationale: An adjusted rate is a statistical procedure that removes the effects of
differences in population composition (e.g., age, gender, geography) to allow fair
comparisons between populations.
2. The nurse works with a female client who recently developed an infection of
Covid-19 while protesting for Black Lives Matter. In this case, Covid-19 is which
component in the chain of infection?
• A. Environmental reservoir
• B. Agent
, • C. Host
• D. Portal
Correct Answer: B — Agent
Rationale: In the chain of infection, the agent is the infectious organism (SARS-
CoV-2). The client is the host; the environment is the reservoir; the portal is the
route of exit/entry.
3. A school nurse receives a call that some children and teachers report being
exposed to an undetermined noxious gas odor presenting in the classrooms and
are experiencing dizziness. Which of the following actions should the nurse
take?
• A. Transport all children and school personnel to the nearest medical facility
using school buses
• B. Move individuals who are reporting symptoms to one of the affected
classrooms and create a triage area inside the room
• C. Arrange for client transportation to the nearest emergency department
and tell the group triage will occur there
• D. Have students evacuated from the school and establish a triage area in
the school parking lot
Correct Answer: D — Have students evacuated from the school and establish a
triage area in the school parking lot
Rationale: The priority is to remove individuals from the contaminated
environment. Evacuation and triage in a safe, open area (parking lot) prevent
further exposure.
4. The primary stage of syphilis symptoms is a firm, round, and painless sore
that appears at the location where syphilis entered the body. The ulcers occur in
locations of the infection. The sore lasts 3 to 6 weeks and heals regardless of
whether a person is treated or not. The sore is known as?
, • A. Chancre
• B. Canker
• C. Boil
• D. Pimple
Correct Answer: A — Chancre
Rationale: The primary syphilis lesion is a painless, indurated ulcer called a
chancre. It heals spontaneously but the infection persists.
5. The WHO (World Health Organization) estimates that more than a third of
infectious disease deaths are caused by the deadly triad of?
• A. Malaria, measles, and mumps
• B. AIDS, TB, and malaria
• C. Smallpox, anthrax, and AIDS
• D. Drug overdose, tobacco, and asthma
Correct Answer: B — AIDS, TB, and malaria
Rationale: WHO identifies HIV/AIDS, tuberculosis, and malaria as major infectious
disease causes of mortality, especially in low-income countries.
6. An occupational health nurse in the clinic of an industrial plant is developing a
guidebook for clinic workers. Which of the following actions should the nurse
include as a secondary prevention strategy?
• A. Collaborate with physical therapists to develop programs for injured
employees to return to work
• B. Set up an influenza immunization campaign
• C. Teach plant workers about proper lifting techniques
• D. Screen plant workers for signs of carpal tunnel syndrome
Exam Quiz 3 | Questions and Answers plus Rationale |
Latest Update 2026-2027 | Graded A+ West Coast
University
1. Which correctly defines an adjusted rate?
• A. Detailed rates that are calculated using the number of people in the
smaller subgroups of the population in the denominator
• B. Measure of the probability that people without a certain condition will
develop that condition over a period of time
• C. Measure of the number of people in a given population who have an
existing condition at a given point in time
• D. Statistical procedure that removes the effects of differences in the
composition of a population, such as age or gender, or geographical region
Correct Answer: D — Statistical procedure that removes the effects of
differences in the composition of a population, such as age or gender, or
geographical region
Rationale: An adjusted rate is a statistical procedure that removes the effects of
differences in population composition (e.g., age, gender, geography) to allow fair
comparisons between populations.
2. The nurse works with a female client who recently developed an infection of
Covid-19 while protesting for Black Lives Matter. In this case, Covid-19 is which
component in the chain of infection?
• A. Environmental reservoir
• B. Agent
, • C. Host
• D. Portal
Correct Answer: B — Agent
Rationale: In the chain of infection, the agent is the infectious organism (SARS-
CoV-2). The client is the host; the environment is the reservoir; the portal is the
route of exit/entry.
3. A school nurse receives a call that some children and teachers report being
exposed to an undetermined noxious gas odor presenting in the classrooms and
are experiencing dizziness. Which of the following actions should the nurse
take?
• A. Transport all children and school personnel to the nearest medical facility
using school buses
• B. Move individuals who are reporting symptoms to one of the affected
classrooms and create a triage area inside the room
• C. Arrange for client transportation to the nearest emergency department
and tell the group triage will occur there
• D. Have students evacuated from the school and establish a triage area in
the school parking lot
Correct Answer: D — Have students evacuated from the school and establish a
triage area in the school parking lot
Rationale: The priority is to remove individuals from the contaminated
environment. Evacuation and triage in a safe, open area (parking lot) prevent
further exposure.
4. The primary stage of syphilis symptoms is a firm, round, and painless sore
that appears at the location where syphilis entered the body. The ulcers occur in
locations of the infection. The sore lasts 3 to 6 weeks and heals regardless of
whether a person is treated or not. The sore is known as?
, • A. Chancre
• B. Canker
• C. Boil
• D. Pimple
Correct Answer: A — Chancre
Rationale: The primary syphilis lesion is a painless, indurated ulcer called a
chancre. It heals spontaneously but the infection persists.
5. The WHO (World Health Organization) estimates that more than a third of
infectious disease deaths are caused by the deadly triad of?
• A. Malaria, measles, and mumps
• B. AIDS, TB, and malaria
• C. Smallpox, anthrax, and AIDS
• D. Drug overdose, tobacco, and asthma
Correct Answer: B — AIDS, TB, and malaria
Rationale: WHO identifies HIV/AIDS, tuberculosis, and malaria as major infectious
disease causes of mortality, especially in low-income countries.
6. An occupational health nurse in the clinic of an industrial plant is developing a
guidebook for clinic workers. Which of the following actions should the nurse
include as a secondary prevention strategy?
• A. Collaborate with physical therapists to develop programs for injured
employees to return to work
• B. Set up an influenza immunization campaign
• C. Teach plant workers about proper lifting techniques
• D. Screen plant workers for signs of carpal tunnel syndrome
