Final Flashcards

1
Q

Which test is best for nematode eggs?

A

fecal flotation

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2
Q

Which test is best for coccidian oocysts?

A

fecal flotation

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3
Q

Which test is best for giardia cysts?

A

Fecal flotation in sugar or salt
media; iodine can help in visualizing
cysts but kills trophozoites

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4
Q

Which test is best for trematode eggs?

A

sedimentation technique

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5
Q

Which test is best for cestode eggs?

A

Fecal flotation as long as specific
gravity is high enough

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6
Q

Which test is best for mites?

A

typically a skin scrape

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7
Q

which test is best for larval tapeworms (e.g. hydatid
cyst, cysticerci, etc.)?

A

Typically noted at necropsy in the
intermediate host (Definitive Host
will pass eggs!)

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8
Q

which test is best for lungworm larvae?

A

Typically Baermann technique

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9
Q

which test is best for Cryptosporidium spp. in young
calves?

A

acid fast staining

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10
Q

life stage passed into environment from Strongyloides stercoralis (in
dogs)

A

L1 larvae

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11
Q

life stage passed into environment from Strongyloides spp. (in
ruminants)

A

larvated egg

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12
Q

life stage passed into environment from “Strongyle”-type eggs (e.g.
genera including
Haemonchus, Cooperia,
Trichostrongylus,
Ostertagia,
Oesophagostomum, etc.)

A

unlarvated egg

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13
Q

life stage passed into environment from Cystoisospora sp. (in small
animals) and Eimeria spp.
(in ruminants)

A

unsporulated oocysts

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14
Q

life stage passed into environment from Giardia spp. (multiple
hosts)

A

Cysts (trophozoites die quickly in the
external environment)

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15
Q

life stage passed into environment from Tritrichomonas foetus (in
large and small animals,
wildlife/exotics, etc.)

A

Trophozoite (this is the only life stage!)

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16
Q

nematodes

A
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17
Q

Baylisascaris procyonis: Digestive

A
18
Q

pigs

A
  • ascaris suum (GI tract, liver lungs), flotation, host ingests larvated eggs, coughed up and swallowed, L4 molts, clinical signs: milk spots
  • trichinella spiralis: nematode never sees outside environment, host ingests meat containing encysted larvae, zoonotic.
  • metastrongylus sp.: pig lungworm, nematode, earthworm intermediate host (ingests L1)
  • hematopinus suis: sucking louse, skin: (jowl, flanks, inside legs),
  • sarcoptes scabei: sarcoptiform mite, skin, winding burrow - this is the ufo looking mite!
  • demodex phylloides: follicular mite, lesions on ventral abdomen and neck and eylids and snout
19
Q

nematode

A

an ascarid is a type of nematode

20
Q

Which of the following is a lungworm in swine?

A

A. Metastrongylus
B. Trichinella
C. Ascaris
D. Haematopinus

21
Q

At the necropsy of a pig you find milky white spots in the liver—which parasite is most likely?”

A

A. Haemonchus sp.
B. Trichinella spiralis
C. Ascaris suum
D. Metastrongylus sp.

22
Q

alpacas/ llamas

A
  • Eimeria macusaniensis
    *
23
Q

Brainworm

A

Parelaphostrongylus tenuis
L1 larvae have a dorsal spine
white tailed deer definitive host
snials and slugs intermediate hosts
can take out the entire moose population

24
Q

Which of the following genera are more commonly known as “brainworm?”

A
25
Q

Which of the following genera are more commonly known as “brainworm?”

A

Parelaphostrongylus tenuis

26
Q

For which of the following species do the adults bury into epithelium producing white or red, blood-filled, zig-zag tracts?”

A

Gongylonema pulchrum

27
Q

good fluke finder?

A

sedimentation

28
Q

Which of the following light be found in Asian elephants?” (Hint: feel free to look any of these up if we haven’t covered some of them)

A

Fasciola jacksoni

29
Q

For which of the following genera would you want to use a sedimentation technique?”

A

Fasciola

30
Q

chickens, ducks, turkeys, etc

A

Knemidocoptes spp.
Dermanyssus gallinae
Ornithonyssus sp.
Menopon gallinae
Echidnophaga gallinacae

31
Q

Knemidocoptes spp.

A

a mite
in chickens, scaly leg and face

32
Q

Dermanyssus gallinae

A

red mite or chicken mite
anemia

33
Q

Ornithonyssus sylviarum

A

northern fowl mite, looks like little tarantula

34
Q

Menopon gallinae

A

louse

35
Q

Echidnophaga gallinacae

A

in chickens

(sticktight) flea

36
Q

Quiz Question #49: “Which of the following is a flea of poultry?” (Hint: feel free to look any of these up if we haven’t covered some of them)

A

Echidnophaga

37
Q

Quiz Question #50: “Scaly leg or scaly face in birds is caused by species belinging to which of the following groups?”

A

mites

38
Q

tapewroms are

A

cestodes

39
Q

trematodes are

A

fluke or flat worms

40
Q

flagellated protozoan

A

have a trophozoites stage

41
Q

nematode examples are

A

heart worm, whipworm, toxicara, strongylidae