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Parasitology > Lecture 27: Roundworm disease III > Flashcards

Lecture 27: Roundworm disease III Flashcards

1
Q

What species does Stephanurus dentatus infect and where

A

Swine kidney worm

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2
Q

Where are stephanurus dentatus eggs found: feces or urine

A

Urine

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3
Q

How do you dx S. Dentatus

A

Eggs in urine

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4
Q

What are tx for S. Dentatus

A

Ivermectin, fenbendazole

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5
Q

Where do syngmaid worms infect and what species

A

Upper respiratory tract of birds and mammals

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6
Q

What species does syngamus trachea infect

A

Domestic and wild galliform birds

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7
Q

How do birds get S. Trachea

A

Ingest infective eggs or paratenic host

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8
Q

What are some paratenic hosts for S. Trachea

A

Earthworms, terrestrial mollusk, larval flies

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9
Q

Bird presents with dyspnea, coughing, head shaking, anorexia. The following worms were observed in trachea. What parasite is this

A

S. Trachea

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10
Q

What species do hookworms parasitize and where

A

SI of mammals (dogs, cats ruminants)

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11
Q

How can hookworms be spread

A

Transmammary, Transplacental, paratenic host, penetrate skin

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12
Q

What are the common hookworms in dogs

A
  1. Ancylostoma caninum
  2. A. Brazilinese
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13
Q

What are the common hookworms in cats

A
  1. A. Tubaeforme
  2. A brazilinese
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14
Q

In dogs and cats which hookworms are more pathogenic

A

A. Caninum and A. Tubaeforme

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15
Q

Where does A. Caninum larvae arrest

A

Skeletal muscle and SI wall

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16
Q

How are A. Caninum larvae activated

A
  1. During pregnancy—> Transplacental transmission
  2. When adult hookworms are lost
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17
Q

T or F: A Tubaeforme can be transmitted transmammary/ transplacental

A

False

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18
Q

What pathology is present in dog and cats infected with hookworms

A

Percutaneous infection and lung migration

Dermatitis and pruritus (on feet)
Pneumonia or other respiratory disease

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19
Q

What zoonotic risk do dog and cat hookworms pose

A

Cutaneous larvae migrans

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20
Q

Hookworm B. Phelbotmum infects what species

A

Cattle

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21
Q

What are some tx for hookworms in ruminants

A

Macrocyclic lactons, benzimidazoles and levamisole

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22
Q

What are some tx for hookworms in dogs and cats

A

Ivermectin, moxidectin

23
Q

What supportive care might be necessary following infection with hookworms

A

Blood transfusions

24
Q

Dog presented with pneumonia, dermatitis, pruritus. Was also anemic. Following egg was found on fecal what parasite

A

A. Caninum

25
Q

What do metastrongyloids infect

A

Respiratory system

26
Q

What species are primarily impacted by metastrongyloids

A

Cats, dogs, and small ruminants

27
Q

What are the metastrongyloid lungworms of sheep and goats

A
  1. Protostrongylus rufescens
  2. Muellerius capillaris
28
Q

Sheep or goat lung showed granulatomas lesions. What parasite caused this

A

Metastrongyloid lung worms:
1. Protostrongylus
2. Muellerius capillaris

29
Q

What is the most common lungworm of cats

A

Aeleurostrongylus abstrusus

30
Q

How do cats get A. Abstrusus

A

Predation of infected paratenic host

31
Q

What do adult A, abstrusus do to DH

A

Accumulate in bronchioles and alveolar ducts cause coughing sneezing, nasal discharge

Severe infection: bronchopneumonia with chronic cough

32
Q

The following was taken from a cat who presented with a chronic cough, dyspnea, and nasal discharge. What is the parasite

A

A. Abstrusus

33
Q

What is the reservoir host for crenosoma Vulpis

A

Red fox

34
Q

What species does crenosoma Vulpis infect

A

Dogs

35
Q

How do dogs become infected with C. Vulpis

A

Eating infected gastropods

36
Q

What does C. Vulpis cause in dogs

A

Accumulate in bronchi and bronchioles cause persistent cough, and heavy infections can cause bronchopneumonia

37
Q

Dog presented with a persistent cough and the following was obtained. What could be causing this

A

C. Vulpis

38
Q

Metastrongyloids typically have a heteroxenous/indirect life cycle, what is an example of one that has a direct/ monoxenous life cycle

A

Filaroides

39
Q

What is the infective stage of filaroides

A

L1s

40
Q

What species and where does F. Osleri infect

A

Tracheal and bronchial nodules of dogs

41
Q

What species and where does F. Hirthi infect

A

Alveoli and bronchioles of dogs

42
Q

How can you dx metastrongyloids

A

Baermann test

43
Q

What are some tx for metastrongyloids

A

Fenbendazole

44
Q

Are rhabditida heteroxenous or monoxenous

A

Monoxenous

45
Q

Are spirurida heteroxenous or monoxenous

A

Heteroxenous

46
Q

What is intermediate host for spirurida

A

Arthropods

47
Q

What are rhabditids strongyloides spp also called

A

Threadworms

48
Q

What species for rhabditids infect and where

A

GI of mammals, birds, reptiles and amphibians

49
Q

All adult parasites of strongyloides spp are ___

A

Parthenogenetic females

50
Q

What species does S. Stercoralis infect

A

Dogs and cats

51
Q

S. Sterocoralis utilize auto infection, what is that

A

some L1s remain in host, develop Les which penetrate intestinal mucosa and Perianal skin `

52
Q

What is the tx for strongyloides in mammals

A

Ivermectin, benzimidazoles

53
Q

What is the tx for strongyloids in birds

A

Tetramisole

Parasitology (28 decks)

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