NEHA - Chapter 8 Exam Questions &
Answers (Grade A+)
Zoonoses -
correct answer ✅infections or infectious diseases of vertebrate
animals that can be transmitted to human beings
Vectors -
correct answer ✅insects or other arthropods that transmit
infectious agents to humans
Pests -
correct answer ✅plants and animals that are objectionable to
humans
What do pests do? -
correct answer ✅contaminate food, cause discomfort and allergic
reactions, and may poison humans and animals
What is the best way to eliminate diseases? -
correct answer ✅is to identify the most vulnerable point in the
vector's life cycle and attack it there
,NEHA - Chapter 8 Exam Questions &
Answers (Grade A+)
Only serious nuisances or dangers to the public should receive a
response? T or F -
correct answer ✅True
Rabies -
correct answer ✅an example of zoonosis in that this virus is
transmitted directly to people from mammal having the disease
itself
What animals are most often implicated in the transmission of
rabies to human beings? -
correct answer ✅bats, and Carnivora (the dog, cat, and
weasel/skunk)
How is rabies transmitted? -
correct answer ✅in virus-containing saliva that is introduced into a
bite or scratch from a rapid animal; airborne transmission has also
occurred in caves harboring bats
What is the incubation period for rabies? -
correct answer ✅usually 2-8 weeks, though both shorter and
longer time periods have been noted
, NEHA - Chapter 8 Exam Questions &
Answers (Grade A+)
What are the symptoms of rabies in humans? -
correct answer ✅headache, fever, and weakness, followed by
muscle spasms or paralysis and difficulty in swallowing
Another zoonosis, tularemia, occurs in what animals? -
correct answer ✅rabbits and other mammals
How is tularemia transmitted? -
correct answer ✅directly as a zoonosis or through vectors such as
deerflies and wood ticks; also by drinking water and inhaling
infected dust
What are the symptoms of tularemia? -
correct answer ✅may include a slow-growing ulcer, especially on
the hand, accompanied by swelling of lymph nodes; or symptoms
of pneumonia if contracted by inhaling dust
How can salmonella be transmitted? -
correct answer ✅passively to humans by handling turtles
(especially young ones) and baby chicks/ducklings
Answers (Grade A+)
Zoonoses -
correct answer ✅infections or infectious diseases of vertebrate
animals that can be transmitted to human beings
Vectors -
correct answer ✅insects or other arthropods that transmit
infectious agents to humans
Pests -
correct answer ✅plants and animals that are objectionable to
humans
What do pests do? -
correct answer ✅contaminate food, cause discomfort and allergic
reactions, and may poison humans and animals
What is the best way to eliminate diseases? -
correct answer ✅is to identify the most vulnerable point in the
vector's life cycle and attack it there
,NEHA - Chapter 8 Exam Questions &
Answers (Grade A+)
Only serious nuisances or dangers to the public should receive a
response? T or F -
correct answer ✅True
Rabies -
correct answer ✅an example of zoonosis in that this virus is
transmitted directly to people from mammal having the disease
itself
What animals are most often implicated in the transmission of
rabies to human beings? -
correct answer ✅bats, and Carnivora (the dog, cat, and
weasel/skunk)
How is rabies transmitted? -
correct answer ✅in virus-containing saliva that is introduced into a
bite or scratch from a rapid animal; airborne transmission has also
occurred in caves harboring bats
What is the incubation period for rabies? -
correct answer ✅usually 2-8 weeks, though both shorter and
longer time periods have been noted
, NEHA - Chapter 8 Exam Questions &
Answers (Grade A+)
What are the symptoms of rabies in humans? -
correct answer ✅headache, fever, and weakness, followed by
muscle spasms or paralysis and difficulty in swallowing
Another zoonosis, tularemia, occurs in what animals? -
correct answer ✅rabbits and other mammals
How is tularemia transmitted? -
correct answer ✅directly as a zoonosis or through vectors such as
deerflies and wood ticks; also by drinking water and inhaling
infected dust
What are the symptoms of tularemia? -
correct answer ✅may include a slow-growing ulcer, especially on
the hand, accompanied by swelling of lymph nodes; or symptoms
of pneumonia if contracted by inhaling dust
How can salmonella be transmitted? -
correct answer ✅passively to humans by handling turtles
(especially young ones) and baby chicks/ducklings