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RVT- Skeleton > RVT - Nematodes > Flashcards

RVT - Nematodes Flashcards

1
Q

Do ascarid/roundworms require an intermediate host?

A

No however a paratenic host may be present.

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2
Q

What common nematode is very hard to eliminate in the environment?

A

Trichuris vulpis

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3
Q

Name a nematode that causes anemia and melena in dogs and cats?

A

Hookworm

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4
Q

What nematode causes hemochezia in cats and dogs?

A

Whipworm

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5
Q

Explain what an occult infection refers to in regard to heartworm infection.

A

Microfilaria may not be found in blood but can still be there.

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6
Q

What are 2 common names for Toxocara canis?

A

Ascarid

Roundworm

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7
Q

What genus of roundworm affects both dogs and cats?

A

Toxascaris leonina

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8
Q

What genus of nematode causes cutaneous larval migrans?

A

Hookworms

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9
Q

What genus of nematode can cause ocular larva migrans?

A

Toxocara

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10
Q

What is the common paratenic host for Toxocara cati?

A

Rodent

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11
Q

What is the scientific name for the Giant kidney worm?
What is the intermediate host?
How is it diagnosed?

A

Dioctophyme renale
Intermediate host - earthworm
Paratenic host - frogs, fish, crayfish
Diagnosis - Urine sedimentation

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12
Q

What is the scientific name of the bladderworm and how is it diagnosed?

A

Pearsonema plica
Pearsonema feliscati
Diagnosis- Urine sedimentation

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13
Q

What are the 3 Hookworm in dogs?

A

Ancylostoma caninum
Ancylostoma brazilienze
Uncinaria stenocephalia

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14
Q

What is the name of the hookworms found in cats?

A

Ancylostoma tubaeformae

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15
Q

Where are nematodes found in the animals body?

A

Small intestines

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16
Q

Where do whipworms attach in the infected animal?

A

Colon and cecum

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17
Q

What is the name of the threadworm?

A

Strongyloides stercoralis

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18
Q

Where in the host would you find Strongyloides stercoralis?

A

small intestines

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19
Q

What is the scientific name of the stomach worm?

A

Physaloptera

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20
Q

What is the scientific name of the esophogus worm?

A

Spirocerca lupi

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21
Q

Which of the hookworms is the one most commonly seen for its zoonotic potential?

A

Ancylostoma brazilienze

22
Q

What is the scientific name for the eye worm?

A

Thelazia californiensis

23
Q

12 day old puppies are lathargic and have bloody diarrhea. What 2 possible parasites may have caused this?

A

Whipworm

Giardia

24
Q

Are nematodes hermaphroditic?

A

No

25
Q

How are nematode infections diagnosed?

A

Centrifugal or standard vial

26
Q

What nematode is resistant to all classes of anthelminthics?

A

Haemonchus contortus ( Barber pole worm)

27
Q

What is oxyuris equi and how is it diagnosed?

A

Pinworm of the horse

Cellephane tape method

28
Q

How is lungworm in goats and sheep diagnosed?

A

Baermann technique

29
Q

Which lung worm is found in the nasal cavity of dogs?

A

Eucoleus boehmi

30
Q

Aerurostrongylus abstructus is what kind of worm and found in what host?

A

Lung worm in cats

31
Q

What kind of worm is Filaroides osleri and what species is it found in?

A

Lungworm found in dogs

32
Q

Eucoleus aerophilis is what kind of worm found in what host?

A

Lungworm of dogs and cats

33
Q

What is the scientific name of the Northern canine hookworm?

A

Uncinaria stenocephalis

34
Q

What nematode parasite can be transmitted from the dams saliva to the puppies?

A

Filaroides osleri ( lungworm )

35
Q

Name 5 tests used to diagnose D.Immitis infection?

A 
Modified knotts test
Elisa
Blood smear
Buffy coat method
Filtration tests
36
Q

What is the prepatent period for heartworm?

A

6-8 months

37
Q

What nematode genera have ova that are often confused with Trichuris vulpis?

A

Pearsonema feliscati

Eucoleus aerophilus

38
Q

Which nematode parasite of dogs and cats have ova that look like paperclips?

A

Spirocera lupi

39
Q

What nematode parasite can cause esophageal tumours?

A

Spirocerca lupi

40
Q

What nematode parasite uses crickets as its intermediate host?

A

Physaloptera

41
Q

What nematode parasite in cats uses snails as an intermediate host?

A

Aelurostrongylus abstrusus ( lung worm of the cat)

42
Q

What nematode uses a dung beetle as its intermediate host?

A

Spirocerca lupi

43
Q

What nematode can be passed through a mothers milk to her puppies?

A

Hookworm

44
Q

What tests other than fecal flotation can be used to diagnose Filaroides osleri infection in dogs?

A

Baermann technique

Endoscopy

45
Q

What are Acanthocephalans?

A

Thorny headed worms

46
Q

What medication is generally used to treat nematode infections?

A

Fenbendazole

Pyrantel pamoate

47
Q

What is the PPP for
Toxocara canis
Toxocara feliscati
Toxascaris leonina

A

Toxocara canis- 6 weeks
Toxocara cati - 7 weeks
Toxascaris leonina - 6-9 weeks

48
Q

What is the PPP for
Ancylostoma caninum
Ancylostoma tubaeformae
Uncinaria stenocephala

A

A. caninum - 2 weeks
A. tubaeformae- 3 weeks
Uncinaria - 2 weeks

49
Q

What is the PPP for

Trichuris vulpis?

A

3 months

50
Q

Do hookworms need an intermediate host?

A

Not necessary but paratenic host may be present

RVT- Skeleton (8 decks)

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