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NURS 340
NURS 340/ NURS340 – Public Health
Nursing | WCU | 2026–2027 | Exam 3
with Verified Questions and Answers
What is passive immunization? - ANS ✓transfer of an antibody from mother to infant
from breastmilk or placenta, usually from breastmilk, biggest protection from Hep A and
tetanus but it is short lived immunity
What is herd immunity? - ANS ✓greater than 90% of the population must be
immunized in order for protections to take place
Does exposure to an agent guarantee infection? - ANS ✓No
What is vertical transmission? - ANS ✓parent to offspring by a sperm, placenta,
breastmilk, or contact with the vaginal canal
What is horizontal transmission? - ANS ✓person to person spread
WHat is common vehicle? - ANS ✓transmission takes place by food water, and bodily
fluids
NURS 340
, 2
NURS 340
What are examples of vectors? - ANS ✓mosquitos, fleas, flies (in some countries),
snails (in some countries), ticks
Define incubation period - ANS ✓time between invasion and first s/s
Define communicable period - ANS ✓interval in which the agent may be transferred
from one person to another, when a person is considered contagious
Define endemic - ANS ✓constant presence of disease in one group (Ex: flu, STIs)
Define epidemic - ANS ✓occurrence beyond normal expectancy (abnormal spike in
stats)
Define pandemic - ANS ✓disease has crossed continent lines (affects very large
populations)
What can a good surveillance system do for communicable diseases? - ANS ✓A good
surveillance system systematically collects, organizes, and analyzes current, accurate, and
complete data for a defined disease condition. The resulting information is promptly released
to those who need it for effective planning, implementation, and evaluation of disease
prevention and control programs
NURS 340
, 3
NURS 340
What is syndromic surveillance systems? Why was it implemented? - ANS
✓Surveillance for agents of bioterrorism
Implemented because of 9/11
Define emerging infectious diseases and give some examples - ANS ✓those in which
the incidence has actually increased in the past two decades or has the potential to increase in
the near future
Ex: Ebola, West Nile, COVID-19
What factors influence the emergence of new infectious diseases? - ANS ✓Societal
events
Health care
Food production
Human behavior
Public Health
Microbial adaptation
NURS 340
, 4
NURS 340
What is the role of the nurse in prevention of commmunicable diseases? - ANS
✓Control, teach about, monitor, and treat persons with communicable diseases
If someone reports having an STI or communicable disease, what should be done? -
ANS ✓Prophylactic treatment at secondary level
Rationale: Prevents spread without knowing the specific disease
What are the agents of bioterrorism? - ANS ✓anthrax (Bacillus anthracis)
plague (Yersinia pestis)
smallpox (Variola major)
botulism (Clostridium botulinum)
tularemia (Francisella tularensis)
selected hemorrhagic viruses (Filoviridae and Arenaviridae).
Is anthrax bacterial or viral? - ANS ✓Bacterial
What is anthrax common in? - ANS ✓Livestock
NURS 340
NURS 340
NURS 340/ NURS340 – Public Health
Nursing | WCU | 2026–2027 | Exam 3
with Verified Questions and Answers
What is passive immunization? - ANS ✓transfer of an antibody from mother to infant
from breastmilk or placenta, usually from breastmilk, biggest protection from Hep A and
tetanus but it is short lived immunity
What is herd immunity? - ANS ✓greater than 90% of the population must be
immunized in order for protections to take place
Does exposure to an agent guarantee infection? - ANS ✓No
What is vertical transmission? - ANS ✓parent to offspring by a sperm, placenta,
breastmilk, or contact with the vaginal canal
What is horizontal transmission? - ANS ✓person to person spread
WHat is common vehicle? - ANS ✓transmission takes place by food water, and bodily
fluids
NURS 340
, 2
NURS 340
What are examples of vectors? - ANS ✓mosquitos, fleas, flies (in some countries),
snails (in some countries), ticks
Define incubation period - ANS ✓time between invasion and first s/s
Define communicable period - ANS ✓interval in which the agent may be transferred
from one person to another, when a person is considered contagious
Define endemic - ANS ✓constant presence of disease in one group (Ex: flu, STIs)
Define epidemic - ANS ✓occurrence beyond normal expectancy (abnormal spike in
stats)
Define pandemic - ANS ✓disease has crossed continent lines (affects very large
populations)
What can a good surveillance system do for communicable diseases? - ANS ✓A good
surveillance system systematically collects, organizes, and analyzes current, accurate, and
complete data for a defined disease condition. The resulting information is promptly released
to those who need it for effective planning, implementation, and evaluation of disease
prevention and control programs
NURS 340
, 3
NURS 340
What is syndromic surveillance systems? Why was it implemented? - ANS
✓Surveillance for agents of bioterrorism
Implemented because of 9/11
Define emerging infectious diseases and give some examples - ANS ✓those in which
the incidence has actually increased in the past two decades or has the potential to increase in
the near future
Ex: Ebola, West Nile, COVID-19
What factors influence the emergence of new infectious diseases? - ANS ✓Societal
events
Health care
Food production
Human behavior
Public Health
Microbial adaptation
NURS 340
, 4
NURS 340
What is the role of the nurse in prevention of commmunicable diseases? - ANS
✓Control, teach about, monitor, and treat persons with communicable diseases
If someone reports having an STI or communicable disease, what should be done? -
ANS ✓Prophylactic treatment at secondary level
Rationale: Prevents spread without knowing the specific disease
What are the agents of bioterrorism? - ANS ✓anthrax (Bacillus anthracis)
plague (Yersinia pestis)
smallpox (Variola major)
botulism (Clostridium botulinum)
tularemia (Francisella tularensis)
selected hemorrhagic viruses (Filoviridae and Arenaviridae).
Is anthrax bacterial or viral? - ANS ✓Bacterial
What is anthrax common in? - ANS ✓Livestock
NURS 340
