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RUSVM Parasit SPR 2020 > NEMATODES: Spiurida spp. > Flashcards

NEMATODES: Spiurida spp. Flashcards

1
Q

What is the common name of Spriocerca lupi?

A

Esophageal worm

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2
Q

Who are the final hosts of Spirocerca lupi?

A

Canids

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3
Q

Who are the PH’s and IH’s associated with Spirocerca lupi?

A

IH: Dung beetle

PH: Birdes, chickens and lizards

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4
Q

What is the PPP of Spirocerca lupi?

A

6 months

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5
Q

What happens once the L3 is liberated from the PH that consumed the IH, or after consumption of the IH directly?

A

Its migration to the thoracic aorta, and then 3 months later it migrates to the esophagus

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6
Q

What pathogenesis is associated with Spirocerca lupi?

A

6 months

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7
Q

What clinical signs will be associated with Spirocerca lupi?

A

Due to large granulomas along the esophagus, difficulty swallowing, regurgitation, weight loss; it can be asmyptomatic as well

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8
Q

Osteocarcoma, spodylosis, and osteopathies can be associated with -?

A

Spirocerca lupi

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9
Q

What fluid medium is associated with the flotation methods to identify Spirocerca lupi?

A

Sodium nitrate

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10
Q

While Physaloptera spp. are similar to Spriocerca lupi, they infect _____ and _____, prefer the ________ as their predilection site, and their PPP is 8- 10 weeks.

A

Cats and Dogs

Stomach

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11
Q

What clinical signs will be associated with Physaloptera spp. infections?

A

Asymptomatic, vomiting, catarrhal gastritis, dark feces (mild hemorraging)

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12
Q

Who are the final hosts of Drashia megastoma and Habronema spp.?

A

Equids

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13
Q

What intermediate hosts are associated with Draschia megastoma and Habronema spp.?

A

Musca spp. and Stomoxys calcitrans (flies)

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14
Q

What is the common name for Draschia megastoma and Habronema spp.?

A

Stomach nematodes

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15
Q

How would you describe the eggs of D. megastoma and Habronema spp.?

A

Thin shelled and larvated

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16
Q

While both D. megastoma and Habronema spp. are non-pathogenic, adult D. megastoma is assocated with forming -?

A

Nodules in the stomach near the margo plicatus, and also gastritis

17
Q

Flies that deposit D. megastoma and Habronema spp. on their skin can lead to -?

A

Cutaneous harbonemiasis/ draschiasis (“summer sores”), and granular conjunctivitis

18
Q

What diagnostic test can be utilized for the identification of either D. megastoma and Habronema spp.?

A

Skin scrapings for larvae

RUSVM Parasit SPR 2020 (25 decks)

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