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RUSVM Epidemiology 2016 > Zoonosis from Carnivores > Flashcards

Zoonosis from Carnivores Flashcards

1
Q

Route of Transmission for Toxoplasma gondii

A

Ingestion from a contaminated litterbox or food or water

Ingestion of bradyzoites undercooked meat from an infected animal (Sheep or pig)

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2
Q

Route of transmission for Baylisascaris

A

Ingestion

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3
Q

How long does it take for oocyst sporulation of Toxoplasma gondii?

A

1-5 days in the soil

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4
Q

What people are at risk for Toxoplasma gondii?

A

Pregnant women

AIDS patients

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5
Q

Larval Migrans

A

a term for disease caused by migrating larvae in paratenic hosts

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6
Q

What are the 4 types of Larval Migrans?

A

Visceral
Cutaneous
Ocular
Neurologic

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7
Q

What are the 3 common roundworms of pet animals?

A

Toxocara canis
Toxocara cati
Toxocara vitulorum

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8
Q

How do you prevent Toxocariasis?

A

Reduce the reservoir with regular antihelminthics

Control soil ingestion

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9
Q

Humans are the definitive host for which cestodes?

A

Beef & pork tapeworm
Fish Tapeworm
Dog Tapeworm

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10
Q

Humans are the intermediate host for which cestodes?

A

Echinococcus

Taenia Solium

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11
Q

How do humans become the definitive host of a cestode?

A

Ingestion of infected intermediate host tissues

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12
Q

How do humans become the intermediate host for a cestode?

A

ingestion of larvated egges

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13
Q

What are clinical signs of cestodes in intermediate hosts?

A

Cyst formation in organ systems - symptoms according to that system
Anaphylactic symptoms follow rupture of cyst

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14
Q

What are the two types of cyst formation in Echinococcosis?

A

Hydatid

Alveolar

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15
Q

What is the reservoir for all species of Echinococcus?

A

Canids

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16
Q

Hydatid cyst

A

individual large fluid filled cysts

17
Q

Alveolar cyst

A

Multilocular small solid cysts

18
Q

What is the definitive host for Echinococcus granulosus?

A

Dogs and Wolves

19
Q

What is the intermediate host for Echinococcus?

A

Sheep

20
Q

How do you control Cystic Echinococcus?

A

Preventing infestation in dogs
Condemnation/disposal of infected offal
Preventing transmission to people

21
Q

How do you control E. multilocularis?

A 
Routine antihelmintic treatment of dogs 
Reduce exposure of domestic pets to rodents 
Treatment of foxes 
Education 
Stray dog control

RUSVM Epidemiology 2016 (20 decks)

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