14091469
Descripción
Test por Marina Martins, actualizado hace más de 1 año
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Creado por Marina Martins
hace más de 6 años
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Pregunta 1
Pregunta
Ostertagia affects the
Respuesta
-
Omasum
-
Reticulum
-
Abomasum
-
Small Intestine
-
Large Intestine
Pregunta 2
Pregunta
What is considered the infectious stage of Ostertagia?
Respuesta
-
L1
-
L3
-
L5
-
L4
Pregunta 3
Pregunta
Arrested development of Ostertagia larvae occur in which type of disease?
Respuesta
-
Type 1
-
Type 2
-
Type 3
Pregunta 4
Pregunta
Which herd would have a higher risk of developing Ostertagia?
Respuesta
-
Beef cattle that calve in autumn
-
Beef cattle that calve in spring
Pregunta 5
Pregunta
Which of the following is considered the infectious stage of Eimeria?
Respuesta
-
Unsporulated oocyst
-
Spourlated oocyst
-
Sporocyst
-
Sporozoite
-
Miracidium
Pregunta 6
Pregunta
What is the first motile stage of Eimeria?
Respuesta
-
Sporulated Oocyst
-
Sporocyst
-
Sporozoite
-
Trophozoite
-
Merozoite
-
Miracidium
Pregunta 7
Pregunta
How many sporozoites does each Eimeria oocyst contain?
Respuesta
-
4
-
2
-
8
-
6
Pregunta 8
Pregunta
Which of the following is considered a malabsorptive species of Eimeria?
Respuesta
-
E. acervulina
-
E. tenella
-
E. necatrix
-
E. brunetti
Pregunta 9
Pregunta
Which species of Eimeria affects the cecum of a chicken?
Respuesta
-
E. acervulina
-
E. tenella
-
E. maxima
-
E. necatrix
Pregunta 10
Pregunta
Ionophores target which stage of Eimera's life cycle?
Respuesta
-
Sporocyst
-
Sporozoite
-
Merozoite
-
Schizont
-
Miracidium
Pregunta 11
Pregunta
Which parasite can cause autoinfection?
Respuesta
-
Cryptosporidium
-
Giardia
-
Eimeria
-
Ostertagia
Pregunta 12
Pregunta
Which parasite has an INDIRECT life cycle?
Respuesta
-
Ostertagia
-
Cryptosporidium
-
Angiostrongylus
-
Dictycaulus viviparus
Pregunta 13
Pregunta
Black disease is a possible consequence of which parasite?
Respuesta
-
Fasciola hepatica
-
Filaroides oslerus
-
Dictyocaulus viviparus
-
Babesia
Pregunta 14
Pregunta
Which parasite uses a fungus to spread across distances?
Respuesta
-
Dictyocaulus viviparus
-
Toxocara canis
-
Echinococcus granulosus
-
Metastrongylus
-
Fasciola hepatica
Pregunta 15
Pregunta
What is considered the first motile stage of Fasciola hepatica?
Respuesta
-
miracidium
-
sporocyst
-
redia
-
cercaria
-
metacercaria
-
sporozoite
Pregunta 16
Pregunta
Which type of fasciolosis will not result in the production of eggs?
Respuesta
-
Acute
-
Sub-acute
-
Chronic
-
Subclinical
Pregunta 17
Pregunta
What is the PPP of Fasciola hepatica?
Respuesta
-
4-6 weeks
-
8-12 weeks
-
6 months
-
3.5 weeks
Pregunta 18
Pregunta
Which species is considered the least susceptible to Fasciolis?
Respuesta
-
Sheep
-
Cattle
-
Pigs
Pregunta 19
Pregunta
Which of the following stages of Fasciola hepatica does NOT undergo asexual replication?
Respuesta
-
Sporocyst
-
Redia
-
Cercaria
Pregunta 20
Pregunta
Which of the following parasites does NOT infect cattle?
Respuesta
-
Dictocaulus viviparus
-
Fasciola Hepatica
-
Dirofilaria immitis
-
Echinococcus ortleppi
Pregunta 21
Pregunta
Infection with Dictcyocaulus viviparus results in the excretion of...
Respuesta
-
Sporulated oocysts
-
L1 stage larvae
-
L3 stage larvae
-
Unsporulated oocysts
Pregunta 22
Pregunta
In the tick, babesia is transmitted via
Respuesta
-
trans-stadial transmission
-
trans-ovarial transmission
Pregunta 23
Pregunta
What Toxoplasma life cycle stage is only found in chronic infections?
Respuesta
-
Bradyzoites
-
Tachyzoites
-
Sporozoites
-
Sporulated Oocysts
Pregunta 24
Pregunta
In sheep, Infection of Toxoplasma in early pregnancy results in...
Respuesta
-
foetal death and resportion
-
foetal death with a mummified foetus
-
stillborn or weak lambs
Pregunta 25
Pregunta
What is the main intermediate host of Echinococcus granulosus?
Respuesta
-
Horses
-
Molluscs
-
Sheep
-
Canids
Pregunta 26
Pregunta
Which of the following is NOT a life cycle stage of lice?
Respuesta
-
louse
-
nit
-
larvae
-
nymph
Pregunta 27
Pregunta
Methoprene is a synthetic hormone that disrupts flea development by mimicking....
Respuesta
-
insect juvenile hormone
-
insect moulting hormone
-
insect growth hormone
-
insect pupae hormone
Pregunta 28
Pregunta
Which of the following pictures depicts a chewing lice?
Respuesta
-
Image:Lice (binary/octet-stream)
Pregunta 29
Respuesta
-
Pulex irritans
-
Ct. felis
-
Ct. canis
-
Ceratophyllus
Pregunta 30
Pregunta
Which of the following is considered a 3-host tick?
Respuesta
-
Boophilus spp.
-
Hyalomma spp.
-
Ixodes spp.
Pregunta 31
Pregunta
Which mouthpart do ticks use to cut through skin?
Respuesta
-
chelicerae
-
hypostome
-
palps
-
scutum
Pregunta 32
Pregunta
Which of the following is absent in soft ticks?
Respuesta
-
scutum
-
palps
-
chelicerae
-
hypostome
Pregunta 33
Pregunta
Which of the following is Ixodes spp. NOT a vector for?
Respuesta
-
Lyme disease
-
Louping ill
-
Babesiosis
-
Bluetongue virus
Pregunta 34
Pregunta
Which of the following is a vector for Schmallenberg virus?
Respuesta
-
Culicoides spp.
-
Ixodes spp.
-
Musca spp.
-
Sarcoptes spp.
Pregunta 35
Pregunta
Which of the following parasites undergoes only asexual reproduction?
Respuesta
-
Babesia
-
Eimeria
-
Fasciola
-
Cryptosporidium
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