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Parasitology > Lecture 28: Roundworm Disease IV > Flashcards

Lecture 28: Roundworm Disease IV Flashcards

1
Q

Spirurids: physaloptera spp parasitize what species and where

A

Stomach of mammals, birds, reptiles and amphibians

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2
Q

What are the intermediate hosts for physaloptera spp

A

Various insects

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3
Q

What are the paratenic hosts for physaloptera

A

Insect eating vertebrates

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4
Q

What symptoms does physaloptera infection cause in dogs and cats

A

Chronic vomiting, anorexia, dark feces, anemia and weight loss

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5
Q

How do you dx physaloptera

A

Fecal sedimentation

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6
Q

What tx is used for physaloptera

A

Cats and dogs: pryantel pamoate or ivermectin

Dogs: Fenbendazole

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7
Q

Thelazia spp infect where and who

A

Eye worms of mammals and birds, infect conjunctival sac, lacrimal glands and ducts

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8
Q

What are the intermediate host/vectors for thelazia spp

A

Flies that feed on ocular secretions (face flies)

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9
Q

What species does Habronema muscae infect and where

A

Horse stomach

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10
Q

What is the intermediate hot for H. Muscae

A

Housefly (M. Domestica) and stable flies (stomoxy spp)

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11
Q

Horse presents with granulomatous cutaneous and ophthalmic lesions. What is the likely parasite

A

H. Muscae

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12
Q

How to dx H. Muscae

A

Fecal sedimentation

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13
Q

What is tx for H. Muscae

A

Cutaneous.ocular: ivermectin, corticosteroids

Gastric: ivermectin or moxidectin

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14
Q

What species and where does Spirocera Lupi infect

A

Esophagus of dogs

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15
Q

What symptoms are experienced with spirocerosis

A

Dysphasia, vomiting, weight loss, coughing, dyspnea

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16
Q

What are some complications from S. Lupi infection

A

Aortic aneurysm or rupture, fatal hemorrhage, esophageal sarcoma

17
Q

What are some Tx of S. Lupi

A

Doramectin, ivermectin

18
Q

What species do onchocera spp/filaroid worms infect

A

Ungulates, carnivores

19
Q

What is the intermediate host for onchocera spp.

A

Black flies and midges

20
Q

What species does O. Cervicalis infect and where

A

Horses

Adults in nuchal ligament

21
Q

What parasite can cause summer manage aka onchocera dermatitis in horses

A

O. Cervicalis

22
Q

What species is infected by O.lupi and where

A

Dogs eye

23
Q

What causes canine ocular onchocerosis

A

O. Lupi

24
Q

Dog presents with the following: periocular swelling, protrusion of nictating membrane. The following image of his eye was taken. What parasite caused this

A

O. Lupi

25
Q

What is D. Immitis

A

Canine heart worm

Parasitology (28 decks)

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