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Clin Path > Lice And Ticks > Flashcards

Lice And Ticks Flashcards

0
Q

What do Mallophaga lice look like?

A

Rounded head, six legs, three body parts

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1
Q

What family do the biting live belong to?

A

Mallophaga

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2
Q

What is the dog biting louse?

A

Trichodectes canis

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3
Q

What does trichodectes cause? 3

A

Irritation dermatitis rough hair coat

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4
Q

Trichodectes is the intermediate host for what?

A

Dipylidium caninum

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5
Q

What are live eggs called!

A

Nitts

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6
Q

Where are trichodectes found?

A

On the surface

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7
Q

How can you diagnose trichodectes?

A

Examine hair coat

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8
Q

How do you control tricjodectes?

A

Apply topical insecticide for three weeks and treat multiple times

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9
Q

What is the family called for sucking lice?

A

Anoplura

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10
Q

How long do sucking lice live?

A

Four weeks

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11
Q

What is the dog sucking louse?

A

Linognathus setosus

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12
Q

What does linognathus setosus cause? 4

A

Irritation, dermatitis, rough hair coat anemia

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13
Q

How do you diagnose linognathus setosus?

A

Examine coat for adults nymphs or eggs

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14
Q

How do you control linognathus setosus?

A

Apply topical insecticide

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15
Q

What will happen on the first host of a three host tick?

A

Rick will go from larva to nymph

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16
Q

What will happen on the second host of a three host tick

A

Tick will go from nymph to adult

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17
Q

What will happen on the third host of a three host tick?

A

Adult will engorge and lay eggs, larva will move to a new host

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18
Q

What host will have nymphs?

A

1

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19
Q

What host will have nymphs and adults?

A

2

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20
Q

What host will have adults, engorged femals, and eggs?

A

Host 3

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21
Q

What does acanuasis mean?

A

Mite and tick infestations that are not host specific and may have 1-3 hosts

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22
Q

What are hard ticks called?

A

Ixodidae

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23
Q

What are soft ticks called?

A

Argasidae

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24
Q

What is the hard shell on a tick called?

A

Scutum

25
Q

What sex engorged with Ixodidae ticks?

A

Female

26
Q

What sex enforces with soft ticks?

A

Both

27
Q

What is the brown dog tick called?

A

Rhipicephalus sanguineas

28
Q

What does the town dog tick cause? 3

A

Irritation, anemia, Rick paralysis

29
Q

How do you diagnose the brown dog tick?

A

Finding tick on skin/hair coat

30
Q

How do you control the brown dog tick?

A

Treat host with topical antoparasitic

31
Q

What causes Lyme disease?

A

Bacterial infection from borrelia burgorferi

32
Q

What is the vector for Lyme disease?

A

Tick

33
Q

Where is the bacteria reservoir?

A

Wildlife reservoirs that cause no clinical disease in animals

34
Q

What do humans show with Lyme disease? 5

A

Erythema migrans, fatigue, fever, headache, muscle and joint pain

35
Q

What can develope without treatment of Lyme disease 3

A

Arthritis, CNS, and cardiac problems

36
Q

What will domesticate animals show with Lyme disease? 5

A

Fever, anorexia, swollen lymph nodes, lameness, fatigue

37
Q

What is the incubation period for Lyme disease?

A

3-32 days for appearance of Papules

38
Q

How is Lyme disease transmitted?

A

Bite of infected ixodes

39
Q

How is Lyme disease diagnosed? 4

A

History, shndrome, serology, culture of blood or tissue biopsy

40
Q

What will happen to patients treat in the early stages of Lyme disease?

A

Will recover rapidly and completely

41
Q

What patients may have persistent or recurrent symptoms of Lyme disease?

A

Patients diagnosed later in Lyme disease

42
Q

What can happen with long term antibiotic treatment of Lyme disease?

A

Complications and including death

43
Q

How do you control and prevent Lyme disease? 3

A

Avoid tick bites
Control ticks around house
Manage wildlife
Seek medical help after bites

44
Q

What causes Rocky Mountain spotted fever?

A

Tick transmitted by rickettsia rickettsii

45
Q

What are two types of transmission for Rocky mt spotted fever

A

Transovarial transmission and transracial transmission

46
Q

What is transovarial transmission?

A

Generation to generation

47
Q

What is transtadial tans mission?

A

Same time period

48
Q

Where is Rocky mt spotted fever most prevalent in?

A

South Atlantic state and Midwest

49
Q

What is the primary way RMSF spread in nature?

A

Transovarial

50
Q

How long do ticks need to be attached to spread the disease?

A

5-20 hours

51
Q

What will humans show with RMSF? 7

A

Fever, myalgia, headache, chills, skin rash on extremities, capillary damage, liver disease

52
Q

Do wild animals show signs of RMSF?

A

No

53
Q

What will domestic animals show with RMSF? 7

A

Fever, anorexia, swollen lymph nodes, dyspnea, abdominal pain, edema in face an extremities, conjunctival bleeding and retina damage

54
Q

What is the incubation period for RMSF?

A

3-14 days

55
Q

What is the mode of transmission for RMSF?

A

Bite of infected tick

Contact of skin it mucous membranes with tick body fluids

56
Q

What two ticks carry RMSF?

A

Dermacenter variabilis, Andersoni

57
Q

Which tick transmits RMSF in the western United States?

A

The wood tick (Dermacenter Andersoni)

58
Q

How do you treat RMSF? 4

A

History of tick bite, rash, fever, serology

59
Q

What is the treatment for RMSF?

A

Antibiotics

60
Q

What are four ways to control and prevent RMSF?

A

Wear protective clothing
Use tick repellents
Check yourself and dog for ticks
Clear brush from residential area

Clin Path (29 decks)

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