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
What is the hard shell on a tick called?
Scutum
25
What sex engorged with Ixodidae ticks?
Female
26
What sex enforces with soft ticks?
Both
27
What is the brown dog tick called?
Rhipicephalus sanguineas
28
What does the town dog tick cause? 3
Irritation, anemia, Rick paralysis
29
How do you diagnose the brown dog tick?
Finding tick on skin/hair coat
30
How do you control the brown dog tick?
Treat host with topical antoparasitic
31
What causes Lyme disease?
Bacterial infection from borrelia burgorferi
32
What is the vector for Lyme disease?
Tick
33
Where is the bacteria reservoir?
Wildlife reservoirs that cause no clinical disease in animals
34
What do humans show with Lyme disease? 5
Erythema migrans, fatigue, fever, headache, muscle and joint pain
35
What can develope without treatment of Lyme disease 3
Arthritis, CNS, and cardiac problems
36
What will domesticate animals show with Lyme disease? 5
Fever, anorexia, swollen lymph nodes, lameness, fatigue
37
What is the incubation period for Lyme disease?
3-32 days for appearance of Papules
38
How is Lyme disease transmitted?
Bite of infected ixodes
39
How is Lyme disease diagnosed? 4
History, shndrome, serology, culture of blood or tissue biopsy
40
What will happen to patients treat in the early stages of Lyme disease?
Will recover rapidly and completely
41
What patients may have persistent or recurrent symptoms of Lyme disease?
Patients diagnosed later in Lyme disease
42
What can happen with long term antibiotic treatment of Lyme disease?
Complications and including death
43
How do you control and prevent Lyme disease? 3
Avoid tick bites Control ticks around house Manage wildlife Seek medical help after bites
44
What causes Rocky Mountain spotted fever?
Tick transmitted by rickettsia rickettsii
45
What are two types of transmission for Rocky mt spotted fever
Transovarial transmission and transracial transmission
46
What is transovarial transmission?
Generation to generation
47
What is transtadial tans mission?
Same time period
48
Where is Rocky mt spotted fever most prevalent in?
South Atlantic state and Midwest
49
What is the primary way RMSF spread in nature?
Transovarial
50
How long do ticks need to be attached to spread the disease?
5-20 hours
51
What will humans show with RMSF? 7
Fever, myalgia, headache, chills, skin rash on extremities, capillary damage, liver disease
52
Do wild animals show signs of RMSF?
No
53
What will domestic animals show with RMSF? 7
Fever, anorexia, swollen lymph nodes, dyspnea, abdominal pain, edema in face an extremities, conjunctival bleeding and retina damage
54
What is the incubation period for RMSF?
3-14 days
55
What is the mode of transmission for RMSF?
Bite of infected tick | Contact of skin it mucous membranes with tick body fluids
56
What two ticks carry RMSF?
Dermacenter variabilis, Andersoni
57
Which tick transmits RMSF in the western United States?
The wood tick (Dermacenter Andersoni)
58
How do you treat RMSF? 4
History of tick bite, rash, fever, serology
59
What is the treatment for RMSF?
Antibiotics
60
What are four ways to control and prevent RMSF?
Wear protective clothing Use tick repellents Check yourself and dog for ticks Clear brush from residential area