GAB - Parasitology

Descrição

MCQ covering the parasitology lectures of the Graduate Accelerated course at RVC.
Marina Martins
Quiz por Marina Martins, atualizado more than 1 year ago
Marina Martins
Criado por Marina Martins quase 6 anos atrás
30
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Resumo de Recurso

Questão 1

Questão
Ostertagia affects the
Responda
  • Omasum
  • Reticulum
  • Abomasum
  • Small Intestine
  • Large Intestine

Questão 2

Questão
What is considered the infectious stage of Ostertagia?
Responda
  • L1
  • L3
  • L5
  • L4

Questão 3

Questão
Arrested development of Ostertagia larvae occur in which type of disease?
Responda
  • Type 1
  • Type 2
  • Type 3

Questão 4

Questão
Which herd would have a higher risk of developing Ostertagia?
Responda
  • Beef cattle that calve in autumn
  • Beef cattle that calve in spring

Questão 5

Questão
Which of the following is considered the infectious stage of Eimeria?
Responda
  • Unsporulated oocyst
  • Spourlated oocyst
  • Sporocyst
  • Sporozoite
  • Miracidium

Questão 6

Questão
What is the first motile stage of Eimeria?
Responda
  • Sporulated Oocyst
  • Sporocyst
  • Sporozoite
  • Trophozoite
  • Merozoite
  • Miracidium

Questão 7

Questão
How many sporozoites does each Eimeria oocyst contain?
Responda
  • 4
  • 2
  • 8
  • 6

Questão 8

Questão
Which of the following is considered a malabsorptive species of Eimeria?
Responda
  • E. acervulina
  • E. tenella
  • E. necatrix
  • E. brunetti

Questão 9

Questão
Which species of Eimeria affects the cecum of a chicken?
Responda
  • E. acervulina
  • E. tenella
  • E. maxima
  • E. necatrix

Questão 10

Questão
Ionophores target which stage of Eimera's life cycle?
Responda
  • Sporocyst
  • Sporozoite
  • Merozoite
  • Schizont
  • Miracidium

Questão 11

Questão
Which parasite can cause autoinfection?
Responda
  • Cryptosporidium
  • Giardia
  • Eimeria
  • Ostertagia

Questão 12

Questão
Which parasite has an INDIRECT life cycle?
Responda
  • Ostertagia
  • Cryptosporidium
  • Angiostrongylus
  • Dictycaulus viviparus

Questão 13

Questão
Black disease is a possible consequence of which parasite?
Responda
  • Fasciola hepatica
  • Filaroides oslerus
  • Dictyocaulus viviparus
  • Babesia

Questão 14

Questão
Which parasite uses a fungus to spread across distances?
Responda
  • Dictyocaulus viviparus
  • Toxocara canis
  • Echinococcus granulosus
  • Metastrongylus
  • Fasciola hepatica

Questão 15

Questão
What is considered the first motile stage of Fasciola hepatica?
Responda
  • miracidium
  • sporocyst
  • redia
  • cercaria
  • metacercaria
  • sporozoite

Questão 16

Questão
Which type of fasciolosis will not result in the production of eggs?
Responda
  • Acute
  • Sub-acute
  • Chronic
  • Subclinical

Questão 17

Questão
What is the PPP of Fasciola hepatica?
Responda
  • 4-6 weeks
  • 8-12 weeks
  • 6 months
  • 3.5 weeks

Questão 18

Questão
Which species is considered the least susceptible to Fasciolis?
Responda
  • Sheep
  • Cattle
  • Pigs

Questão 19

Questão
Which of the following stages of Fasciola hepatica does NOT undergo asexual replication?
Responda
  • Sporocyst
  • Redia
  • Cercaria

Questão 20

Questão
Which of the following parasites does NOT infect cattle?
Responda
  • Dictocaulus viviparus
  • Fasciola Hepatica
  • Dirofilaria immitis
  • Echinococcus ortleppi

Questão 21

Questão
Infection with Dictcyocaulus viviparus results in the excretion of...
Responda
  • Sporulated oocysts
  • L1 stage larvae
  • L3 stage larvae
  • Unsporulated oocysts

Questão 22

Questão
In the tick, babesia is transmitted via
Responda
  • trans-stadial transmission
  • trans-ovarial transmission

Questão 23

Questão
What Toxoplasma life cycle stage is only found in chronic infections?
Responda
  • Bradyzoites
  • Tachyzoites
  • Sporozoites
  • Sporulated Oocysts

Questão 24

Questão
In sheep, Infection of Toxoplasma in early pregnancy results in...
Responda
  • foetal death and resportion
  • foetal death with a mummified foetus
  • stillborn or weak lambs

Questão 25

Questão
What is the main intermediate host of Echinococcus granulosus?
Responda
  • Horses
  • Molluscs
  • Sheep
  • Canids

Questão 26

Questão
Which of the following is NOT a life cycle stage of lice?
Responda
  • louse
  • nit
  • larvae
  • nymph

Questão 27

Questão
Methoprene is a synthetic hormone that disrupts flea development by mimicking....
Responda
  • insect juvenile hormone
  • insect moulting hormone
  • insect growth hormone
  • insect pupae hormone

Questão 28

Questão
Which of the following pictures depicts a chewing lice?

Questão 29

Questão
What species of flea is this?
Responda
  • Pulex irritans
  • Ct. felis
  • Ct. canis
  • Ceratophyllus

Questão 30

Questão
Which of the following is considered a 3-host tick?
Responda
  • Boophilus spp.
  • Hyalomma spp.
  • Ixodes spp.

Questão 31

Questão
Which mouthpart do ticks use to cut through skin?
Responda
  • chelicerae
  • hypostome
  • palps
  • scutum

Questão 32

Questão
Which of the following is absent in soft ticks?
Responda
  • scutum
  • palps
  • chelicerae
  • hypostome

Questão 33

Questão
Which of the following is Ixodes spp. NOT a vector for?
Responda
  • Lyme disease
  • Louping ill
  • Babesiosis
  • Bluetongue virus

Questão 34

Questão
Which of the following is a vector for Schmallenberg virus?
Responda
  • Culicoides spp.
  • Ixodes spp.
  • Musca spp.
  • Sarcoptes spp.

Questão 35

Questão
Which of the following parasites undergoes only asexual reproduction?
Responda
  • Babesia
  • Eimeria
  • Fasciola
  • Cryptosporidium

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