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Parasitology > Final > Flashcards

Final Flashcards

1
Q

What is the difference between the sucking and chewing lice?

A

Chewing have wide heads with mandibles

sucking have small heads with claws

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2
Q

Who transmits the swinepox

A

Haematopinus

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3
Q

What is the chewing louse of the dog?

A

Trichodectes canis

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4
Q

Chewing louse of cats?

A

Felicola subrostrata

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5
Q

Chewing louse of cattle, horses sheep and goats?

A

Damalinia

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6
Q

Chewing louse of guinea pigs

A

Gliricola porcelli

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7
Q

Which chewing louse can harbor Diplydium caninum?

A

Trichodectes canis

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8
Q

Infestation with lice more common in winter months when animals are crowded-whats this called?

A

Pediculosis

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9
Q

Whats the Life cycle type of fleas?

A

Complex metamorphasis

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10
Q

Whats the life cycle type of lice?

A

Incomplete/simple metamorphasis

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11
Q

What are the hosts for the Haematopinus?

A

Swine, cattle and horses

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12
Q

Which louse have abdominal spircles not heavily sclerotized and do not protrude above surface of the abdomen?

A

Linognathus

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13
Q

What animals does Linognathus affect?

A

Dogs, Cattle, sheep/goats

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14
Q

Which louse has abdominal spiracle that do protrude above the surface of the abdomen?

A

Solenopotes

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15
Q

What kinds of lice can birds get?

A

ONLY chewing

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16
Q

Which lice are the human lice?

A

Pediculus capitis

or Pthirus

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17
Q

Which lice is the human crab louse and why is it called this?

A

Pthirus

Small first claws and larger 2nd and 3rd tarsal claws making it look like a crab

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18
Q

Which louse is the human head is the body louse

A

Pediculus humanus

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19
Q

Which louse transmits swine pox?

A

Haematopinus

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20
Q

Which tongue worm is zoonotic?

A

Linguatula serrata

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21
Q

If you have a reptile that comes in with respiratory distress and chronic wasting, what are you going to suspect?

A

Linguatula serrata

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22
Q

What can Linguata serrata cause in dogs?

A

Sneezing, nasal discharge, obstruction of nasal passages

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23
Q

What stage of life is the of infective stage of linguatula

A

Nymphs

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24
Q

What is the common name for the Pentastomes?

A

Tongue worms

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25
Q

Life cycle of Pentastomes

A
  • egg is ingested by mammalian intermediate host (ex. rodent, ruminant, human, or non-human primate)
  • larva hatch and migrate to the liver, lymph nodes, and peritoneal mesenteries
  • larva develop into infective nymphs and become “encased in host tissues
  • definitive host eats infected intermediate host and adults mature
  • ingested nymphs migrate up the back of the throat into nasal turbinates or are swallowed
  • eggs secreted in nasal secretions and feces (eggs coughed up and then swallowed in order to be released via GIT)
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26
Q

Which 2 will make you think guinea pigs have epilepsy? Whats it really due to

A

Gliricola and Trixocara

there is intense pruritis

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27
Q

Deck of the boat, who did they claim it came from

A

Pthirus

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28
Q

Which louse is associated with the respiratory system

A

Pentastomes

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29
Q

Which louse is on reptiles that can cause respiratory distress and chronic wasting?

A

Linguatula serrata

Pentastome

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30
Q

Which tick has an anal groove?

A

Ixodes

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31
Q

Lyme dz can be transmitted

A

Sexually, transtadial and intrastadial

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32
Q

Whats it called when you have a larvae or nymph ingest the pathogen and carry it through to the next life cycle/

A

Transtadial

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33
Q

Whats it called when males looking for a female bites a host and transmits the pathogen?

A

Intrastadial

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34
Q

What causes abortion, hepatomegaly and fever in horses?

and who is the IH

A

Babesia caballi

Dermacenter

35
Q

What is a fatal dz of cats, acute onset of fever?

A

Cytauzoon felis

36
Q

What is zoonotic if you eat the eggs?

A

Pentastomes

37
Q

Which dz accumulates in the MACS and occude BV

Who is the IH

A

Cytauzoon Felis

Dermacentor

38
Q

Which tick is considered the house/kennel pest

A

Rhpicephalus

39
Q

What can Rhipicephalus transmit?

A

Babesia canis

40
Q

What dz can cause IV and EV hemolysis, hemolytic anemia and thrombocytopenia

A

Babesia Canis

41
Q

What is dermacenter a vector for?

A

Ehrlichia and RMSF

42
Q

How does Rhipicephalus transmit?

A

Transtadial-ANY STAGE–mainly for ehrlichia

43
Q

What is Rhipicephalus a vector for?

A

Ehrlichia canis

44
Q

What are the 2 on this test that can cause respiratory issues?

A

Pneumonyssoides and pentastomes

45
Q

What is the diff between Boophilus and Rhipecephalus

Which on is reportable?

A

Festoons. Boo does not have festoons
but they both have hexagonal basis capitulums

Boophilus

46
Q

How does boophilus transmit babesia?

A

horizontal and vertical through transovarian transmission

bOO for the Offsprings through transOverian

47
Q

Who transmits Hepatozoon? how?

A

Amblyomma

Have to ingest the tick

48
Q

C/S of hapatoon

A

Fever

Periosteal Proliferation

49
Q

What else can Amblyomma transmit?

A

Heartwater–ehrlichia ruminatum

cytauxzoon

50
Q

Which tick causes allergic reaction to meat from its saliva

A

Amblyomma

51
Q

What animal has been banned from importation and why

A

Leopard Tortoise

`bc they are said to carry amblyomma

52
Q

What animal will you see argas tick on?

A

Chickens, turkeys, wildbirds

53
Q

What are the c/s of argas infection

A

Blood loss
Decreased egg production
weak and unthrifty appearance

54
Q

Which life cycle of argas can cause fatal flaccid paralysis of young chickens?

A

Larvae

55
Q

Which tick has adults as free living

A

Otobius megnini

56
Q

Where will you find otobius on the body,

A

Ear canals

57
Q

If a horse has muscle cramps, sweating and muscle fascicculations, and colic, what tick will you be suspicious of

A

Otobius

58
Q

Whats another name for otobius?

A

Spinose ear tick

59
Q

What is the common snake mite?

A

Ophionyssus/Dermanyssus

60
Q

What are the c/s you will see with an ophionyssis/derman infestation

A

Anemia, dehydration, dermatitis

UNABLE TO SHED SKIN

61
Q

Which mite is zoonotic and will cause pruritic dermatitis?

A

Ohpionyssus/Derman

62
Q

What is a good test for mesostigmatid mites?

Who are the mesostigmatid mites?

A

Berlese techinique

Ophionyssus/Dermanyssus, Pneumonyssoides, and Sternostomas

63
Q

Which mite is the nasal/sinus mite of the dog, and what are the c/s

A

Pneumonyssoides

Epistaxis, coughing, chronic reverse sneezing

64
Q

What mite will you see in birds, and what will be the c/s

A

Sternostoma trachaecolum

Open mouth breathing, loss of voice

65
Q

Who are the hosts for sarcoptes?

A 
Dogs
Ferrets
Wild canids
Rabbits
Swine
66
Q

What does the stalk of the sarcoptes look like?

A

Long, unsegmented

67
Q

Who are the hosts for Notoedres?

A 
Cats
rats
rabbits
foxes
squirrels
68
Q

What c/s will you see with notoedres?

A

self mutulation dermatitis

grey crusts

69
Q

What mite will you see on Chickens turkeys and pheasants? What does it cause/lesions?

A

Knemidokoptes

Scaly legs
lesions on legs, beak, vent

70
Q

What is the might of the guinea pig?

A

Trixacarus

71
Q

What will you see c/s from a trixacarus?

A

pseudoseizures due to intense pruritis

72
Q

What mite is reportable in large animals?

A

All of them–but psoroptes and sarcoptes are the ones she pointed out

73
Q

Where will you see psoroptes on rabbits

A

External ear canal

74
Q

How does psoroptes look?

A

Long segmented pedicle

they so(a)r into the sky with their long seg pedicles

75
Q

Who does chorioptes infect?

A

Large animals
Hedgehogs
rabbites

76
Q

How do you tell chorioptes and psoroptes apart/

A

Chorioptes has short unsegmented
pedicles

chorioptes are chumps

77
Q

C/S of chorioptes?

A

Pruritis of tail and legs

Hedgehogs will loose their quills

78
Q

mites of the external ear canal?

A

otodectes

79
Q

Which mite is cigar shaped?

A

Demodex

80
Q

Immunosuppressive conditions: Tcell autosomoal recessive gene

A

Demodex

81
Q

Which one is the walking dandruff?

A

Cheyletiellla

82
Q

How can you tell you are looking at a cheyletiella?

A

Palpal claws

83
Q

Who does cheyletiella infect?

A

dogs, cats, rabbits, HUMANS

84
Q

Chiggers, what stage is parasitic?

A

Larvae, not the lymphs or adults

Parasitology (5 decks)

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