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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
Toxicara infects a high percentage of what animal?
Puppies
25
What animal will die of toxicara canis?
2-3 week old puppies
26
Why do puppies for of toxicara canis?
Lung damage
27
What are three symptoms of toxicara canis?
Vomiting, diarrhea, visceral larva migrans
28
How do you diagnose toxicara canis? 2
Eggs in fevers, worms in vomit
29
How do you control toxicara canis?
Treat infected, remove feces
30
What does visceral larva migrans do?
Damage to the body's internal organs
31
What type of parasite does visceral larva migrans?
Roundworm larva
32
What are three specific parasites that do visceral larva migrans?
Toxicara canis, toxicara Cato, baylisacaris procyonis
33
What are symptoms of visceral larva migrans in humans? 6
A symptomatic or mild: fever, cough, skin rash, abdominal pain, CNS abnormalities, ocular disease
34
What are three symptoms of visceral larva migrans in animals?
Malnourishment, vomiting, diarrhea
35
What is the incubation period for visceral larva migrans?
Weeks too this
36
What is the mortality rate for visceral larva migrans?
Low
37
Where does visceral larva migrans occur?
Warm moist climates
38
How are visceral larva migrans transmitted?
Ingestion of worm eggs
39
What are three ways to diagnose visceral larva migrans?
CBC, Elisa, or serology
40
What is the treatment for visceral larval migrans?
Antoparasitics
41
How do you control and prevent visceral larva migrans? 4
Personal hygiene, regular deworming, prevent contamination of soil, keep children from eating dirty things or dirt
42
What is a roundworm for dogs? 3
Toxicara canis, toxicaris leonina, baylisacaris procyonis
43
What are two round worms of cats?
Toxicara cati, toxascaris leonina
44
What is a roundworm in raccoons?
Baylisacaris procyonis
45
What type of worm is a trichuris vulpis?
Whip worm
46
How big do trichuris vulpis get?
4.5-7.5 cm
47
What does trichuris vulpis look like?
Thin anterior, thick posterior
48
What do trichuris vulpis eggs look like?
Barrel shaped w transparent plugs at each end
49
How do you diagnose trichuris vulpis?
Eggs in fences
50
How do you control trichuris vulpis?
Treat dogs and rove feces
51
What is the prepatent period of trichuris vulpis?
3 months
52
What is dirofilaria immitus?
Heartworm
53
How big does dirofilarious get?
15-30cm
54
Does dirofilaria immitus have eggs we see?
No, just microfilaria
55
What does dirofilaria do?
Adults obstruct the heart valves and blood vessels
56
What is the prepatent period of dirofilaria immitus?
6 months
57
How do you diagnose dirofilaria immitus? 6
Microfilaria in blood smer, hematocrit tube,knots test, filter test, antigen test, antibody test
58
How do you control heart worm?
Preventative drug treatment, treat infected dogs
59
What are strongylus vulgaris?
Large strongyles
60
How big do strongylus vulgaris get?
1.5-2.5cm
61
What does strongylus vulgaris eggs look like?
Oval with thin she'll and multiple cell cluster in the center
62
What animal will strongylus vulgaris affect?
Horses
63
What are three symptoms of strongylus vulgaris?
In thriftiness, anemia, colic
64
How do you diagnose strongylus vulgaris?
Eggs and larva in feces
65
How do you control strongylus vulgaris? 2
Feed horse off ground and treat infected horses
66
What is pcyuris equi?
Pinworm
67
How big does oxyuris equi get?
1-15cm long
68
What does oxyuris equi eggs look like?
Oval with a transparent plug at one end
69
What is a symptom of oxyuris equi?
Perianal irritation
70
How is oxyuris equi diagnoses? 2
Eggs in feces/perinatal area
71
How do you control oxyuris equi?
Treat infected horses
72
What is the prepatent period for oxyuris equi?
5 months
73
What is ostertagia ostertagi?
Stomach worm in cows
74
How big does ostertagia ostertagi get?
5-10 mm long
75
What does ostertagia ostertagi eggs look like?
Oval with thin she'll and multiple cell cluster in the center
76
What is the prepatent period for ostertagia ostertagi?
16-23 days
77
What does ostertagia ostertagi cause? 2
Weight loss and diarrhea
78
How do you diagnose ostertagia ostertagi?
Eggs in feces
79
How can you control ostertagia ostertagi?
Pasture roar action and treat infected animals
80
What is trichinosis?
Parasitic disease aquired by eating inadequately cooled infected meat
81
What aides trichinosis?
Trichinosis spiralis
82
What are human symptoms of trichinosis? 7
A symptomatic to mild fever, muscle pain, swollen eyelids, diarrhea, ocular pain and hemorrhage, CNS abnormalities, cardiac abnormalities
83
What are animal symptoms of trichinosis?
Sub clinical
84
What is the incubation period for trichinosis?
5-15 day's
85
How is trichinosis transmitted?
Eating raw or undercooked infected meat
86
What are three ways to diagnose trichinosis?
Syndrome, serology, muscle biopsy
87
How do you treat trichinosis? 2
Antiparasitics and anti inflammatories
88
How can you control trichinosis?
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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