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Clin Path > Nematodes > Flashcards

Nematodes Flashcards

0
Q

Where can nematodes be found?

A

In many different organs in the body

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1
Q

What is the most important group?

A

Nematodes

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2
Q

What do adults look like?

A

Elongated and cylindrical

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3
Q

What type of worm is a ancylostoma caninum?

A

Hookworm

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4
Q

How long do adult ancylostoma caninum get?

A

1.5cm

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5
Q

What do ancylostoma caninum eggs look like?

A

Oval with thin shells and multiple cell clusters

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6
Q

What are four things ancylostoma caninum cause?

A

Anemia, diarrhea, malabsorption, cutaneous larva migrans

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7
Q

How can you diagnose ancylostoma caninum?

A

Eggs in fecal flotation

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8
Q

How do you treat ancylostoma caninum?

A

Treat infected dogs and remove fences

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9
Q

What is cutaneous larva migrans?

A

Skin inflammation caused by a migrating roundworm larva

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10
Q

What are three parasites that can cause cutaneous larva migrans?

A

Ancylostoma, unvinaria, strongyloids

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11
Q

What will humans show with cutaneous larva migrans?

A

Itchy, raised skin lesion that follows a serpentine pattern

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12
Q

What will animals exhibit with cutaneous larva migrans?

A

Anemia, diarrhea, malabsorption in puppies

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13
Q

What is the incubation period with parasites with cutaneous larva migrans?

A

2-3 days

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14
Q

Do cutaneous larva migrants have a mortality rate?

A

No

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15
Q

How is cutaneous larva migrants transmitted?

A

Skin contact w/infective larva in soil contaminated with dog and cat feces

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16
Q

How do you doagnose cutaneous larva migrans?

A

Syndrome, history of exposure

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17
Q

How are cutaneous larva migrans treated?

A

Antiparasitics, antiprotons, antibiotics

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18
Q

How do you control and prevent cutaneous larva migrans? 3

A

Regular deworming of dogs and cats, prohibition of dogs and cats on playgrounds and beaches, wear protective clothing when in contact with potentially contaminated soil

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19
Q

What is a common hookworm in dogs?

A

Ancylostoma caninum

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20
Q

What is a common hookworm in both dogs and cats?

A

Unconaria stenocephala

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21
Q

What type of worm is toxicara canis?

A

Roundworm ascarid

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22
Q

How big do toxicara canis get?

A

10-18 cm

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23
Q

What do toxicara canis eggs look like?

A

Round with a thick pitted shell

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24
Q

Toxicara infects a high percentage of what animal?

A

Puppies

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25
Q

What animal will die of toxicara canis?

A

2-3 week old puppies

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26
Q

Why do puppies for of toxicara canis?

A

Lung damage

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27
Q

What are three symptoms of toxicara canis?

A

Vomiting, diarrhea, visceral larva migrans

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28
Q

How do you diagnose toxicara canis? 2

A

Eggs in fevers, worms in vomit

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29
Q

How do you control toxicara canis?

A

Treat infected, remove feces

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30
Q

What does visceral larva migrans do?

A

Damage to the body’s internal organs

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31
Q

What type of parasite does visceral larva migrans?

A

Roundworm larva

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32
Q

What are three specific parasites that do visceral larva migrans?

A

Toxicara canis, toxicara Cato, baylisacaris procyonis

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33
Q

What are symptoms of visceral larva migrans in humans? 6

A

A symptomatic or mild: fever, cough, skin rash, abdominal pain, CNS abnormalities, ocular disease

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34
Q

What are three symptoms of visceral larva migrans in animals?

A

Malnourishment, vomiting, diarrhea

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35
Q

What is the incubation period for visceral larva migrans?

A

Weeks too this

36
Q

What is the mortality rate for visceral larva migrans?

A

Low

37
Q

Where does visceral larva migrans occur?

A

Warm moist climates

38
Q

How are visceral larva migrans transmitted?

A

Ingestion of worm eggs

39
Q

What are three ways to diagnose visceral larva migrans?

A

CBC, Elisa, or serology

40
Q

What is the treatment for visceral larval migrans?

A

Antoparasitics

41
Q

How do you control and prevent visceral larva migrans? 4

A

Personal hygiene, regular deworming, prevent contamination of soil, keep children from eating dirty things or dirt

42
Q

What is a roundworm for dogs? 3

A

Toxicara canis, toxicaris leonina, baylisacaris procyonis

43
Q

What are two round worms of cats?

A

Toxicara cati, toxascaris leonina

44
Q

What is a roundworm in raccoons?

A

Baylisacaris procyonis

45
Q

What type of worm is a trichuris vulpis?

A

Whip worm

46
Q

How big do trichuris vulpis get?

A

4.5-7.5 cm

47
Q

What does trichuris vulpis look like?

A

Thin anterior, thick posterior

48
Q

What do trichuris vulpis eggs look like?

A

Barrel shaped w transparent plugs at each end

49
Q

How do you diagnose trichuris vulpis?

A

Eggs in fences

50
Q

How do you control trichuris vulpis?

A

Treat dogs and rove feces

51
Q

What is the prepatent period of trichuris vulpis?

A

3 months

52
Q

What is dirofilaria immitus?

A

Heartworm

53
Q

How big does dirofilarious get?

A

15-30cm

54
Q

Does dirofilaria immitus have eggs we see?

A

No, just microfilaria

55
Q

What does dirofilaria do?

A

Adults obstruct the heart valves and blood vessels

56
Q

What is the prepatent period of dirofilaria immitus?

A

6 months

57
Q

How do you diagnose dirofilaria immitus? 6

A

Microfilaria in blood smer, hematocrit tube,knots test, filter test, antigen test, antibody test

58
Q

How do you control heart worm?

A

Preventative drug treatment, treat infected dogs

59
Q

What are strongylus vulgaris?

A

Large strongyles

60
Q

How big do strongylus vulgaris get?

A

1.5-2.5cm

61
Q

What does strongylus vulgaris eggs look like?

A

Oval with thin she’ll and multiple cell cluster in the center

62
Q

What animal will strongylus vulgaris affect?

A

Horses

63
Q

What are three symptoms of strongylus vulgaris?

A

In thriftiness, anemia, colic

64
Q

How do you diagnose strongylus vulgaris?

A

Eggs and larva in feces

65
Q

How do you control strongylus vulgaris? 2

A

Feed horse off ground and treat infected horses

66
Q

What is pcyuris equi?

A

Pinworm

67
Q

How big does oxyuris equi get?

A

1-15cm long

68
Q

What does oxyuris equi eggs look like?

A

Oval with a transparent plug at one end

69
Q

What is a symptom of oxyuris equi?

A

Perianal irritation

70
Q

How is oxyuris equi diagnoses? 2

A

Eggs in feces/perinatal area

71
Q

How do you control oxyuris equi?

A

Treat infected horses

72
Q

What is the prepatent period for oxyuris equi?

A

5 months

73
Q

What is ostertagia ostertagi?

A

Stomach worm in cows

74
Q

How big does ostertagia ostertagi get?

A

5-10 mm long

75
Q

What does ostertagia ostertagi eggs look like?

A

Oval with thin she’ll and multiple cell cluster in the center

76
Q

What is the prepatent period for ostertagia ostertagi?

A

16-23 days

77
Q

What does ostertagia ostertagi cause? 2

A

Weight loss and diarrhea

78
Q

How do you diagnose ostertagia ostertagi?

A

Eggs in feces

79
Q

How can you control ostertagia ostertagi?

A

Pasture roar action and treat infected animals

80
Q

What is trichinosis?

A

Parasitic disease aquired by eating inadequately cooled infected meat

81
Q

What aides trichinosis?

A

Trichinosis spiralis

82
Q

What are human symptoms of trichinosis? 7

A

A symptomatic to mild fever, muscle pain, swollen eyelids, diarrhea, ocular pain and hemorrhage, CNS abnormalities, cardiac abnormalities

83
Q

What are animal symptoms of trichinosis?

A

Sub clinical

84
Q

What is the incubation period for trichinosis?

A

5-15 day’s

85
Q

How is trichinosis transmitted?

A

Eating raw or undercooked infected meat

86
Q

What are three ways to diagnose trichinosis?

A

Syndrome, serology, muscle biopsy

87
Q

How do you treat trichinosis? 2

A

Antiparasitics and anti inflammatories

88
Q

How can you control trichinosis?

A

Cook meat or free for 20 days
Cool garbage fed to swine
Control rodents in swine rearing ops.

Clin Path (29 decks)

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