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sensing and seeing > ectoparasites exam 4 > Flashcards

ectoparasites exam 4 Flashcards

1
Q

what is the largest ectoparasite

A

cheyletiella

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2
Q

what life stages of fleas are on the animal

A

adults

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3
Q

what is the minimum length of the life cycle for fleas

A

14 days

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4
Q

when does mating occur in adult fleas

A

24-36 hours

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5
Q

what is the difference between flea bite dermatitis and FAD

A

flea dermatitis: mechanical from actual biting
FAD: hypersensitivity from saliva

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6
Q

classical primary lesion in FAD

A

wheals

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7
Q

where is common site of fleas on dogs

A

lumbosacral and tailhead

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8
Q

what is the best testing option if no fleas are seen but you sus FAD

A

intradermal skin testing

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9
Q

common site of FAD in cats

A

neck and lower back. maybe along the dorsum

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10
Q

first goal of flea control

A

break flea cycle indoors

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11
Q

drugs that work only on insects

A

neonicotinoids/ imidacloprid

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12
Q

which drugs are common for insecticides and acaricides

A

isoxazolines and phenylprazole

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13
Q

poultry stick tight flea

A

echidnophaga gallinacea

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14
Q

how are lice transmitted?

A

direct contact

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15
Q

dog sucking lice

A

linognatus setosus

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16
Q

only cat lice

A

felicola subrostratus

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17
Q

dog specific mite

A

sarcoptes scabiei

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18
Q

treatment for smites

A

inidacloprid, selamectin (macrocyclic lactone)

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19
Q

which mite is a surface mite

A

otodectes cynotis

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20
Q

large surface mite. can see.

A

cheyletiella

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21
Q

what is imidacloprid for

A

insects only. no ticks, no mites. only fleas and lice

22
Q

dermatitis from protozoa

A

leishmania

23
Q

route of infection for leishmania

A

vertical in fox hounds or fighting causing blood to blood transmission

24
Q

treatment for leishmania

A

chronic carriers not curable only supression

25
Q

what transmits theileria orientalis in cattle

A

haemaphysalis longicornis

26
Q

tick that reproduces parthenogenetically?

A

haemaphysalis longicornis

27
Q

short mouth parts, nonornate, hexagonal basis capitulum

A

rhipicephalus sanguineus

28
Q

found throughout the US. strong preference for dogs. found in your house

A

rhipicaphelus sanguineus

29
Q

what transmits hepatozoon americanum

A

ambylomma maculatum

30
Q

ambylomma maculatum?

A

gulf coast tick

31
Q

what is the importance of ambylomma americanum

A

cytauxzoon felis

32
Q

what transmits borrelia burgdorferi

A

ixodes scapularis

33
Q

what does dermacentor variabilis transmit

A

rickettsia rickettsii RMSF

34
Q

ornate with short mouth parts

A

dermacentor variabilis (american dog tick)

35
Q

long mouth parts with no pattern

A

ixodes scapularis

36
Q

how do you tell the difference between ambylomma and dermacentor

A

ambylomma has long mouth parts and dermacentor has short mouth parts. both are ornate.

37
Q

who has large palps

A

haemaphysalis longicornis

38
Q

anterior anal groove?

A

ixodes scapularis

39
Q

which two ticks have long mouth parts?

A

amblyomma and ixodes

40
Q

what two drugs are used to treat lice in large animals

A

pyrethroids and macrocyclic lactones

41
Q

what signs do you see with LA lice

A

pruritis, alopecia decreased wool production`

42
Q

our only pig lice

A

haematophilus suis

43
Q

diagnosing lice vs mites in LA

A

lice you can count, mites need a skin scraping

44
Q

most important large animal mite

A

chorioptes

45
Q

tx for chorioptes

A

injectable ML and topical tx (pyrethroids, lime sulfur, OP)

46
Q

one host tick, ornamental with short mouth parts

A

dermacentor albipictus

47
Q

what tick transmits gotch ear

A

amblyomma maculatum

48
Q

what flies cause gadding in cattle

A

hypoderma spp

49
Q

most widely used pesticide products in cattle

A

pyrethroids and ML

50
Q

the mite we find in pigs

A

sarcoptes scabiei

51
Q

two major horse-flies

A

culicoides and tabanids

52
Q

three major flies in cattle 3

A

musca autumnalis (face fly) haematobia irritans (horn fly), stomoxys calcitrans (stable fly)

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