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Vet221 Midterm

Clinical Pathology Midterm

TermDefinition
a condition caused by the migration of roundworm larvae through various body tissues visceral larval migrans
a condition caused by the migration of roundworm larvae through the eyes ocular larval migrans
a parasite that lives on the exterior of another organism ectoparasite
a parasite that lives inside another organism endoparasite
a route of infection by hookworms that is not shared by a roundworm skin penetration
a skin condition in humans caused by the larvae of hookworm parasites that leave migratory tracks in the skin cutaneous larval migrans
ancylostoma caninum lives in the small intestine
dirofilaria immitis is a nematode
fecal sedimentation is typically performed when _____ eggs are suspected, as they are too heavy to float in flotation solution fluke
if an owner is reporting that their dog is dragging its anus across the floor on a frequent basis, this could be a sign of tapeworm infection
in dogs and cats, adult heartworms are typically found in the pulmonary arteries and right ventricle
in what host do the sexually mature adult parasites live? definitive host
neurologic larval migrans is a condition that can occur when a paratenic host ingests the larval stage of baylisascaris procyonis
sometimes parasite larvae are recovered from feces or tissues instead of eggs. the procedure that allows for the recovery of parasite larva is the baermann technique
tapeworm infections are most often diagnosed in small animals by which of the following methods gross examination
the best way to diagnose ascarid infections in dogs and cats is fecal flotation
the definitive host for baylisascaris procyonis is raccoon
the host that harbors the adult, sexual, or mature stages of a parasite is definitive host
the host that harbors the immature, asexual, or larval stages of a parasite intermediate host
the intermediate host that is utilized during the life cycle of dirofilaria immitis is the mosquito
the motile, pre-larval stage of filarial parasites microfilaria
the roundworm of the horse is parascaris sp.
these are two main ways a dog can become infected with ancylostoma caninum. one way is ingestion of infective larvae and the other is skin penetration
this is a roundworm nematode
trichuris vulpis lives in the large intestine
typically, if a dog younger than 3 months of age ingests a toxocara canis egg containing the second stage of larva, the larva will do through tracheal migration
what is the common name of ancylostoma caninum? hookworm
what is the common name of toxocara canis? roundworm
when using a microscope to examine fecal specimens, the _____ objective is the one that is most commonly used 10x
which of the following is the roundworm of swine? ascaris suum
which of the following parasites ova are best collected using the cellophane tape technique? oxyuris
which of the following can humans not contract? trichuris vulpis
which of the following is not true of dioctophyma renale? it is found in the left kidney of dogs
which statement is true about dirofilaria infection in the cat? the life span of heartworms in cats is shorter than in dogs
whipworm is the common name for which one of the following parasites? trichuris vulpis
TRUE OR FALSE: a good way for veterinary practices to save money is to reuse vials and filters used to perform fecal flotations false
TRUE OR FALSE: a parasite eff that contains an operculum - a "lid" or "door" that can be found on some parasite eggs - through which the larva escapes is called an operculum true
TRUE OR FALSE: dirofilaria immitis, the canine heartworm, can be detected by using an ELISA-based serologic test to check for heartworm antigens in the blood true
TRUE OR FALSE: hookworms can be a cause of anemia in young puppies true
TRUE OR FALSE: humans are typically infected with hookworms via ingestion of infective larvae false
TRUE OR FALSE: if the need to send out a fecal sample arises, feces can be sent fresh if mixed with 10% formalin at a ratio of 1:3 false
TRUE OR FALSE: pinworms do not parasitize dogs or cats true
TRUE OR FALSE: puppies are infected with toxocara canis while nursing true
TRUE OR FALSE: sodium nitrate can form crystals and distort eggs if left to sit for longer than 20 minutes true
TRUE OR FALSE: the cellophane tape technique works best because adult pinworms crawl out of the rectum and cement eggs to shafts of hair around the anus true
TRUE OR FALSE: the direct smear is the best procedure to use because it will not distort and/or kill motile trophozoites true
TRUE OR FALSE: the eggs of trichuris vulpis can survive in the environment for up to 2 years true
TRUE OR FALSE: the type of roundworm larval migration that takes place in puppies younger than 3 months of age where the second stage larva encyst extraintestinally in the host's body is called somatic migration false
TRUE OR FALSE: when the eggs of toxocara canis are passed in the feces, they are immediately infective false
the intermediate host for dipylidium caninum fleas
giardia is capable of infecting these species mammals
the definitive host for toxoplasma gondii cats and humans
how is toxoplasma gondii diagnosed? - unsporulated in fresh feces float - direct smear - immunodiagnostic tests with blood/serum
common name of paragonimus kellicotti lung fluke
segments that compromise a body of a cestode are called - scolex - proglottids
what are the 2 forms that giardia can take? - trophozoite - resistant cyst
what are the 2 most common ways humans can become infected with toxoplasma gondii - eating raw, or undercooked meat - playing in sand boxes
the definitive host of this parasite is the cat ONLY toxoplasma gondii
what type of parasite is cryptosporidium parvum? protozoan
what type of parasite is dipylidium caninum? tapeworm
the most common intermediate host of taenia pisiformis rodents, rabbits, ruminants (small mammals)
how are tapeworms diagnosed? by looking at the eggs
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