Ectoparasites Flashcards

1
Q

Infestation of Lice

A

Pediculosis

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2
Q

Arthopods

A

Insects and Arachnids

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3
Q

3 insects

A

lice, fleas, flies

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4
Q

Biting, chewing

A

Mallophaga

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5
Q

Canine biting louse

A

Trichodectes canis

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6
Q

lice that suck

A

Anoplura

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7
Q

sucking lice of dogs, transmitted by 2 things

A

Linognathus setosus, direct contact and fomite. species specific

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8
Q

Feline biting louse

A

Felicola sustratus

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9
Q

Intermediate host of biting louse (flea tapeworm)

A

Dipylidium caninum

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10
Q

Flea

A

Ctenocephalides felis

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11
Q

Flea is an intermediate host for what and how many species of flea are there? Die at what temperatures?

A

Dipylidium caninum, tularemia, plague, etc. 2000 species. 120F

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12
Q

Flea life cycle

A

2 days after egg has been laid, the larvae hatch and feed on organic material (flea dirt) for 5-15 days, spin a cocoon (pupa) and develop into an adult. Will remain in pupa until they sense vibration or increase in CO2 causing them to emerge and find their host

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13
Q

Rodent Bot Fly Larva

A

Cuterebra

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14
Q

Infestation of cuterebra and infests what?

A

Myiasis, infests rodents companion animals, and humans

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15
Q

What stage of cuterebra infests skin?

A

larval stage

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16
Q

Extracting cuterebra can crush larva, may result in ___?

A

Anaphylaxis

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17
Q

Infestation of Arachnids

A

Acariasis

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18
Q

Scabies (dogs) black mange

A

Sarcoptes scabiei

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19
Q

Scabies (cats) black mange

A

Notoedres cati

20
Q

Demodectic mange mite, red mange

A

Demodex canis

21
Q

Ear Mites

A

Otodectes cynotis

22
Q

Walking dander mite

A

Cheyletiella

23
Q

Brown dog tick

A

Rhipicephalus sanguineus

24
Q

American dog tick

A

Dermacentor variabilis

25
Q

Lone Star tick

A

Amblyomma americanum

26
Q

Deer tick/Black legged tick

A

Ixodes scapularis

27
Q

diagnose Sarcoptes scabiei and Demodectic mange through a ___?

A

skin scrape

28
Q

one or two small regions

A

localized

29
Q

general large area

A

generalized

30
Q

Demodex canis causes areas of alopecia on ___?

A

head, neck, and forelimbs

31
Q

Which mange is zoonotic and which is not?

A

zoonotic - Sarcoptes scabiei

not zoonotic - Demodectic mange

32
Q

mite more common in cats than dogs

A

Otodectes cynotis, intense iteching of the ear canal, feed on epidermal debris and are easily transmitted

33
Q

mite that causes mild alopecia and pruritus and may cause dermatitis in humans

A

Cheyletiella, have enormous hook-like accessory mouth parts, visible to the naked eye, ingest keratinized debris and tissue fluids

34
Q

Soft bodied ticks

A

Argasid tick

35
Q

Hard bodied ticks

A

Ixodid ticks

36
Q

Ear tick

A

Otobius megnini

37
Q

Fowl tick

A

Argas persicus

38
Q

Rhipicephalus sanguineus is an intermediate host for?

A

Babesiosis and canine monocytic ehrlichiosis

39
Q

Where is Rhipicephalus sanguineus most common?

A

southeastern and midwastern states, very cold intolerant

40
Q

Dermacentor Variabilis is an intermediate host for what?

A

Rocky mountain spotted fever, tularemia, and can cause tick paralysis in animals and humans. may cause Cytauzoon felis in cats

41
Q

This tick gets its name for mthe white spot on it’s scutum

A

Anblyomma americanum

42
Q

Anblyomma americanum is an intermediate host for?

A

rocky mountain spotted fever, tularemia, and canine granulocytic ehrlichiosis

43
Q

Where is Amblyomma americanum found?

A

central texas through midwest and along east coast

44
Q

How long does it take for Amblyomma americanums life cycle to complete?

A

2 years

45
Q

This tick is sometimes called the Black-legged tick

A

Ixodes scapularis

46
Q

Ixodes scapularis is a vector for ?

A

lyme disease, human granulocytic erhlichiosis, and tick paralysis

47
Q

Where is Ixodes scapularis found?

A

in 35 states from tx to maine in cluding all midwestern states as far north as minnesota