WorksheetsParasitology
Total questions: 33
Worksheet time: 1hrs 6mins
Giardia, a parasite that is a protozoan, is classified in which Kingdom?
Kingdom Plantae
Kingdom Animalia
Kingdom Protista
Kingdom Fungi
A type of parasite (e.g., tapeworm, roundworm) that causes infection inside an animal is considered a/an ______.
Insect
Endoparasite
Ectoparasite
Vector
Which of the choices is an example of an ectoparasite?
Mites
Hookworm
Pinworm
Tapeworm
The level of classification that is the most specific in our system of taxonomy is ______.
Kingdom
Phylum
Order
Species
A parasite that draws blood, irritates the skin, and causes restlessness is most likely a/an
Ectoparasite
Endoparasite
Helminth
Vector
When a parasite is in the “immature stage,” what type of host does the parasite live on?
The intermediate host
The definitive host
The paratenic host
The reservoir host
A parasite that has a direct life cycle ________?
Takes under one year to infect a host
Moves from an intermediate host to a definitive host
Only has a definitive host
Has at least one intermediate host
What is the correct order of the stages of complete metamorphosis?
Egg – Adult – Pupa – Larva
Pupa – Egg – Larva – Adult
Egg – Pupa – Adult – Larva
Egg – Larva – Pupa – Adult
A host in which the parasite is dormant is called a/an ________?
Intermediate host
Definitive host
Paratenic host
Reservoir host
Within a host species, which types of animals are more likely to be attacked by parasites?
Pregnant or lactating animals
Male animals
Adequately fed animals
Mature adult animals
What is one factor that affects how host specific a parasite is?
The host and parasite must be in the same or adjacent climate zones.
The host and parasite must eat the same kind of food.
The host behavior must bring it into contact with the parasite.
The parasite must have continuous contact for at least 24 hours with the host.
A common method a parasite uses to infiltrate or gain access to its host is which one of the following?
Burrowing through the nasal cavities
Finding intermediate hosts
Targeting the non-specific host first
Utilizing immunity-based responses
A parasite will stay on its host if the host does what?
Dies
Develops immunity to the parasite
Is treated with an anti-parasitic drug
Meets its nutritional requirements
The process of a parasite developing new strategies to evade detection by a host is called what?
Adaption
Immunity
Incidental strategies
Susceptibility
Where is it most common to find Ehrlichiosis?
West
Midwest
Southeast
Northeast
Which of the following diseases have a mosquito as a vector?
Heartworm
Lyme Disease
Ehrlichiosis
Anaplasmosis
The study of patterns of disease is called what?
Endemic
Enzootology
Epidemiology
Zoonotic biology
Besides the vector, what is another common way parasites are transmitted?
Through transported food
Through other infected hosts
By moving water
By blowing in the wind
What is the vector for a tapeworm?
Mosquito
Tick
Flea
Heartworm
Which of the following things can serve as a vector?
Bird
Soil
Trees
Food
The vehicle for this parasite needs to be treated even if the adult parasites are killed on the host.
Tick
Flea
Cat warble
Roundworm
When this internal parasite releases eggs, they are released as proglottids or segments which each contain thousands of egg packets.
Roundworm
Whipworm
Hookworm
Tapeworm
What is one way that antiparasitic resistance develops?
Quarantining new animals
Only treating some animals in a herd
Treating animals frequently
Allowing refugia to develop in a herd
Which of the following fecal analysis techniques is best to use with parasite eggs that have a high specific gravity?
Direct smear
Fecal floatation
Fecal sedimentation
SNAP test
For which of the following parasites would you use skin scraping to diagnose?
Ear mites
Fungi
Roundworms
Pinworms
What is one thing a technician should tell an animal owner when collecting a fecal sample?
Get the largest amount possible
Make sure it is at least five days old
Mix the samples from multiple pets
Refrigerate the sample if it is more than 24 hours old
After a sample is taken in an external parasite analysis, what is the next step?
The sample needs to be refrigerated.
The sample needs to be sterilized.
The sample needs to be heat treated.
The sample needs to be examined under a microscope.
Which of the following is an important step to ensure that a premise remains bio secure?
Always wear gloves.
Clean equipment at least 24 hours after collection.
Dispose of the sample in the quickest manner possible.
Keep good records.
Which animal is most commonly affected by pinworms?
Goats
Pigs
Cattles
Horses
The defenses that are naturally occurring in a host to protect that animal from an attacker are called what?
Attack defenses
Innate defenses
Acquired defenses
Immune System
One strategy that parasite larvae use to infect animals through the mouth is to do what?
Attach to animals’ bodies and crawl to animals’ mouths
Burrow into grains that are made into animal feed
Crawl up blades of grass to be consumed by animals
Wait in puddles to be swallowed with the water
What is an attack strategy heartworms use to get inside an animal?
The larvae move through the skin and migrate through the body.
Mosquitoes release larvae into the body when they take a blood meal.
They are in fecal matter that is accidentally ingested by animals.
They are exchanged through saliva from one animal to another.
How can bacteria serve as a host defense mechanism?
They seek out parasite eggs and destroy them.
They lower the pH of body areas, making it inhospitable for parasites.
They infect adult parasites and kill them.
They line body openings and dissolve parasite eggs that are coming in.
