Parasit. Quiz Reviews
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126 Terms
What is the term for an organism that lives on or in a host and causes harm?
Parasite
3 multiple choice options
Which of the following is an example of a protozoan parasite?
Giardia spp.
3 multiple choice options
Which term describes a host in which the parasite reaches sexual maturity?
Definitive Host
3 multiple choice options
Which of the following is NOT a type of symbiotic relationship?
Periodic
3 multiple choice options
The process by which a parasite develops into an infective stage is part of its
Life cycle
3 multiple choice options
Which type of host harbors the larval or immature stage of the parasite?
Intermediate Host
3 multiple choice options
Which class of parasites includes roundworms?
Nematodes
3 multiple choice options
What is the most common diagnostic technique for detecting intestinal parasites in feces?
Fecal Flotation
3 multiple choice options
What detection method is most useful for visualizing the motile stage of protozoa in a very small amount of fresh feces?
Direct Smear (wet mount)
3 multiple choice options
Which term describes a parasite that accidently infects a host that is not its usual target and no reproduction can take place?
Dead end Host
3 multiple choice options
What is the name of the life cycle in which a parasite requires only one host to complete its development?
Direct Life Cycle
3 multiple choice options
Which of the following is classified as a cestode?
Tapeworm
3 multiple choice options
Which of the following is the most common zoonotic endoparasite of small animals?
Toxocara canis
3 multiple choice options
Which type of parasitism has a narrow host range?
Stenoxenous
3 multiple choice options
Arthropods include which of the following?
Fleas
3 multiple choice options
Which term refers to a parasite that lives within the body of the host?
Endoparasite
3 multiple choice options
A parasite that has wandered from its usual site of infection is called a
Aberrant parasite
3 multiple choice options
Which of the following terms describes a parasite that requires to be in or on a host to survive?
Obligate
3 multiple choice options
Parasitosis is defined as
the host showing signs of disease
3 multiple choice options
Which class of parasite includes Flukes?
Trematoda
3 multiple choice options
Why is it important to perform diagnostic parasitology detection procedures promptly after sample collection?
To avoid development or hatching of parasite stages
3 multiple choice options
What is the preferred objective lens (magnification) for identifying most parasite ova?
10X
3 multiple choice options
Which type of parasitism has a broad host range?
Euryxenous
3 multiple choice options
Which is a type of arthropod-borne Protozoa?
Plasmodium (Malaria)
3 multiple choice options
Which method is most appropriate for recovering Giardia?
Direct fecal smear
3 multiple choice options
Every veterinary staff member needs to
All answers listed
3 multiple choice options
Which of the following is the common name for Toxocara canis
Canine Roundworm
3 multiple choice options
Female worms capable of producing viable ova without fertilization from a male worm are called
parthenogenesis
3 multiple choice options
Pyrantel is an example of a/an
vermifuge
3 multiple choice options
The Prepatent period is
the time from point of infection until a specific diagnostic stage can be recovered
3 multiple choice options
What is the "method of choice" for fecal flotation testing
Fecal Centrifugation
3 multiple choice options
Neurological larval migrans is most commonly caused by ____________________, an ascarid infecting raccoons
Baylisascaris procyonis
3 multiple choice options
What clinical sign is most associated with Ancylostoma spp. infections in puppies?
Anemia
3 multiple choice options
Which Nematode is zoonotic and causes visceral or ocular larval migrans in humans?
Toxocara canis
3 multiple choice options
What is the infective stage of most nematodes for the definitive host?
L3
3 multiple choice options
Which detection method is best for detecting Strongyloides stercoralis?
Baermann technique
3 multiple choice options
Which of the following characteristics best describes hookworm eggs?
Very tiny Oval or ellipsoidal, thin-walled, and containing morula in the middle
3 multiple choice options
Which of the following statements about Toxocara canis is the most accurate?
The adult worm does not attach to the host
3 multiple choice options
Toxascaris leonina can infect
Dogs and Cats
3 multiple choice options
How is Toxocara cati most commonly transmitted to kittens?
Transmammary transmission
3 multiple choice options
The ova of which of the following nematodes have polar plugs (operculum) at both ends?
Trichuris vulpis
3 multiple choice options
Which nematode is known for its zoonotic potential to cause cutaneous larval migrans (creeping eruptions)?
Ancylostoma spp.
3 multiple choice options
What canine parasite causes nodules in the esophagus which may become a neoplastic granuloma?
Spirocerca lupi
3 multiple choice options
Which of the following nematodes of dogs is not zoonotic?
Trichuris vulpis
3 multiple choice options
The two animals not infected with any pinworms are
Dogs and Cats
3 multiple choice options
The best current treatment for feline heartworm disease is
supportive care
3 multiple choice options
The canine Giant Kidney worm is
Dioctophyme renale
3 multiple choice options
The most important step in completing all laboratory tests is
recording the results
3 multiple choice options
The heartworm of dogs is transmitted by
mosquitoes
3 multiple choice options
The preferred solution for the fecal sedimentation technique is
water
3 multiple choice options
Canine heartworm disease is identified with
ELISA tests and microfilaria tests
3 multiple choice options
Dirofilaria immitis adults reside in which location?
Right ventricle and pulmonary arteries
3 multiple choice options
One way to differentiate Dirofilaria immitis from Acanthocheilonema reconditum is the
modified knotts test
3 multiple choice options
Dioctophyma renale and Pearsonema plica can be found using
urine sediment
3 multiple choice options
The canine lungworm that can be found in the trachea that forms nodules is
Oslerus osleri
3 multiple choice options
What is a common parasitic cause of pruritus in perianal region in horses?
Oxyuris equi
3 multiple choice options
A false negative heartworm antigen test may occur when
only male worms are present
3 multiple choice options
Which test detects adult female heartworms?
ELISA antigen test
3 multiple choice options
How is the cat lungworm, Aelurostrongylus abstrusus, most likely to be detected?
Baermann Technique -
2 multiple choice options
What organ is most affected by Dioctophyme renale?
Right kidney
3 multiple choice options
What is the scientific name of the human pinworm?
Enterobius vermicularis
3 multiple choice options
Detection (Diagnosis) of Oxyuris equi can be done with...
Cellophane Tape Test
3 multiple choice options
One intermediate host for Dioctophyme renale
earthworm
3 multiple choice options
The infective stage of heartworm transmitted to dogs is
L3 Larva
3 multiple choice options
What is the recommended treatment drug for adult heartworms?
Melarsomine (Immiticide)
3 multiple choice options
Which antibiotic is commonly used to treat Wolbachia associated with heartworms?
Doxycyline
3 multiple choice options
Which of the following statements is true of most cestodes?
they are segmented flatworms
3 multiple choice options
Which of these pig parasites can be diagnosed by muscle biopsy?
Trichinella spiralis
3 multiple choice options
Moniezia spp. eggs have a characteristic...
square shape
3 multiple choice options
What is the common name of Strongylus vulgaris?
Bloodworm
3 multiple choice options
A hexacanth embryo contains
six hooks
3 multiple choice options
True tapeworms absorb their nutrients from the host's intestines through their...
tegument
3 multiple choice options
Proglottids of true tapeworms can be said to resemble...
grains of rice
3 multiple choice options
A cotyloda is a(n)...
Pseudotapeworm
3 multiple choice options
The acetabula of a true tapeworm are...
four suckers used for attachment
3 multiple choice options
The rodent tapeworm that can parasitize humans is
Hymenolepis nana
3 multiple choice options
Eucestodes are the ...
True tapeworms
3 multiple choice options
If the tapeworm has a rostellum with hooks, it is said to be
armed
3 multiple choice options
Gravid proglottids of the tapeworm are said to be
pregnant with eggs
3 multiple choice options
Pseudotapeworms use two slit-like organelles to attach to the host's intestines called
bothria
3 multiple choice options
Common name for Taenia saginata?
Beef tapeworm or beef measles
3 multiple choice options
The larval stage of Strongylus vulgaris damages which organ?
Cranial mesenteric artery
3 multiple choice options
Where is the adult Strongyloides westeri found?
small intestines
3 multiple choice options
A pet owner has reported seeing "white worms" crawling on the feces of their pet. Assuming that the pet has tapeworms, what part of the tapeworm is the owner seeing?
Proglottids
3 multiple choice options
A dog becomes infected with Dipylidium caninum by ingestion of
fleas infected with eggs
3 multiple choice options
What is the intermediate host for Taenia solium?
pigs
3 multiple choice options
An effective drug for treating an infection of cestodes is
Praziquantel
3 multiple choice options
What is the intermediate host for the subcutaneous nematode known as Dracunculus insignis?
aquatic crustacean
3 multiple choice options
A Facultative parasite is...
a parasite that can live free in the environment
3 multiple choice options
The salmon-poisoning fluke is __________________________________
Nanophyetus salmincola
3 multiple choice options
Digenetic trematode eggs are...
Operculated on one pole
3 multiple choice options
The best detection technique for trematode eggs is ...
Fecal sedimentation
3 multiple choice options
The genus and species of the liver fluke is...
Fasciola hepatica
3 multiple choice options
Heterobiharzia americana is transmitted to canines or people...
through the skin
3 multiple choice options
The reduvvid (kissing) bugs spread ...
Trypanosoma cruzi (Chagas disease)
3 multiple choice options
The motile life cycle stage (inside the host) of Giardia species is the...
Trophozoite
3 multiple choice options
The sexually transmitted protozoan in cattle is.........
Tritrichomonas foetus
3 multiple choice options
The best fecal technique for viewing motile trophozoites of protozoans is the...
Direct wet mount or direct smear
3 multiple choice options
If you found organisms in prepucial washings of a bull, it would most likely be due to an infection with...
Tritrichomonas foetus
3 multiple choice options
What is the important function of flagella?
locomotion
3 multiple choice options