Deck 3 Flashcards
the protonephridial system in cestodes function is
excretion
strongyloides papillosus parasitises in
ruminants
which of the following types of helminths has an intermediate host in the life cycle:
a. Muellerius capillaris
b. Trichuris ovis
c. Moniezia expanza
d. Syngamus trachea
e. none of the above
Muellerius capillaris
which if the following statements is not correct for Trichuris vulpis
a) Localization - colon
b) The oesophagus consists of stichocytes
c) The development cycle is indirect
d) The infectious stage is an egg with an L3 larva
the development cycle is indirect
human cysticercosis is caused by the consumption of
taenia solium eggs
what is the developmental stage in the picture? To which tapeworm belongs?
stage: Tetrathyridium
tapeworm: Mesocestoides
what methods we use to diagnose of Dicrocoelium dendriticum
Flotation method
post mortem examination of the liver
what is the developmental stage in the picture? Which parasites? (indicate genus name)
stage: Fircocercaria
parasite: Schistosome
we use the following methods to diagnose ascaridiosis
flotation
aspiculuris tetraptera belong to
oxyurida
larvocyst cysticercus pisiformis is formed in
rabbit
what is cystogony in the life cycle of trematodes
development of metacercaria = encysted infectious stage of trematode
Macracanthorhynchus hirudinaceus belongs to
Acanthocephala
By coprological examination of hens we found the eggs with these properties:
- medium in size;
- oval,
- symmetrical with thick operculum in both poles;
- 2 thin shells;
- unembryonated (4-8 blastomeres);
- light grey/brown.
What is your diagnosis? Write the species name.
Trichostrongylus tenius
describe please the egg of Passalaurus ambiguus
Medium/large
oval
asymmetrical
mucoid plug in one pole
2 thin shells
unembryonated
grey
write the species names of nematodes parasitizing in the small intestine of horses
Strongyloides westeri
Parascaris equorum
intermediate host of Metastrongylus spp is
earthworm
what are the infection ways for Toxocara canis
What is the infectious stage
way of infection
- somatic migration -> transplacental and lactogenic routes of infection
inf.stage
- L3 is infectious stage
which of the following types of helminths has an intermediate host in the life cycle
a) Muellerius capillaris
b) Trichuris ovis
c) Moniezia expanza
d) Syngamus trachea
e) None of the above
muellerius capillaris
Toxascaris leonina is a nematode of
dog
cat
