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GAB - Parasitology

Description

MCQ covering the parasitology lectures of the Graduate Accelerated course at RVC.
Marina Martins
Quiz by Marina Martins, updated more than 1 year ago
Marina Martins
Created by Marina Martins over 6 years ago
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Resource summary

Question 1

Question
Ostertagia affects the
Answer
  • Omasum
  • Reticulum
  • Abomasum
  • Small Intestine
  • Large Intestine

Question 2

Question
What is considered the infectious stage of Ostertagia?
Answer
  • L1
  • L3
  • L5
  • L4

Question 3

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

Question 4

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

Question 5

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

Question 6

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

Question 7

Question
How many sporozoites does each Eimeria oocyst contain?
Answer
  • 4
  • 2
  • 8
  • 6

Question 8

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

Question 9

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

Question 10

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

Question 11

Question
Which parasite can cause autoinfection?
Answer
  • Cryptosporidium
  • Giardia
  • Eimeria
  • Ostertagia

Question 12

Question
Which parasite has an INDIRECT life cycle?
Answer
  • Ostertagia
  • Cryptosporidium
  • Angiostrongylus
  • Dictycaulus viviparus

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

Question
Which species is considered the least susceptible to Fasciolis?
Answer
  • Sheep
  • Cattle
  • Pigs

Question 19

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

Question 20

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

Question 21

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

Question 22

Question
In the tick, babesia is transmitted via
Answer
  • trans-stadial transmission
  • trans-ovarial transmission

Question 23

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

Question 24

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

Question 25

Question
What is the main intermediate host of Echinococcus granulosus?
Answer
  • Horses
  • Molluscs
  • Sheep
  • Canids

Question 26

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

Question 27

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

Question 28

Question
Which of the following pictures depicts a chewing lice?
Answer

Question 29

Question
What species of flea is this?
Image:
Canis (binary/octet-stream)
Answer
  • Pulex irritans
  • Ct. felis
  • Ct. canis
  • Ceratophyllus

Question 30

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

Question 31

Question
Which mouthpart do ticks use to cut through skin?
Answer
  • chelicerae
  • hypostome
  • palps
  • scutum

Question 32

Question
Which of the following is absent in soft ticks?
Answer
  • scutum
  • palps
  • chelicerae
  • hypostome

Question 33

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

Question 34

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

Question 35

Question
Which of the following parasites undergoes only asexual reproduction?
Answer
  • Babesia
  • Eimeria
  • Fasciola
  • Cryptosporidium
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