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Clin Path > Fleas and mites > Flashcards

Fleas and mites Flashcards

0
Q

What parasites is 3-4mm, with a body that it flattened laterally with powerful legs for leaping and has piercing/sucking mouth parts?

A

Flea

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1
Q

What is the name for the flea?

A

Ctenocephalides spp.

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2
Q

What do flea eggs look like?

A

0.5mm white and oval

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3
Q

What are symptoms of fleas? 5

A

Irritation, itching, loss of body condition, allergic dermatitis, disease transmission

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4
Q

How do you diagnose fleas?

A

Fleas and flea dirt

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5
Q

How do you control fleas?

A

Treat host and environment

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6
Q

What is the life cycle of the flea and how long?

A

3 week life cycle

Egg-larva-pupa-adult

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7
Q

Are fleas host specific

A

No

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8
Q

How long are fleas in the larva stage?

A

1-2weeks

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9
Q

How much of the flea population is each stage of the cycle?

A

50-eggs
35 larva
10 pupae
5 adults

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10
Q

What is one of the oldest diseases effecting man?

A

Plague

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11
Q

What bacteria causes the plague?

A

Yersina pestis

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12
Q

What is yersinia pestis maintained in?

A

Rodents and prarie dogs

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13
Q

What are seven symptoms of the plague in humans

A

Fever chills myalgia sore throat headache lymph node enlargement and septicemia with development of pulmonary disease

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14
Q

What are symptoms of the plague in rodents?

A

I’ll and die

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15
Q

What are five symptoms of plague in cats?

A

Fever, dyspnea, nasal discharge, swollen lymph nodes, septicemia

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16
Q

What is the incubation period for the plague?

A

2-6 days

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17
Q

What is the mode of ttansmission for the plague? 3

A

Bite of an infected rodent flea
Handling tissues or fluids
Inhalation of airborne bacteria from cats or humans with pulmonary disease

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18
Q

How do you diagnose the plague 4

A

Culture of lymph node aspirate, blood, sputum, CSF

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19
Q

How do you treat the plague?

A

Antibiotics

20
Q

How do you control and prevent the plague? 5

A 
Prevent human contact with wild rodents
Use insecticides/repellents when entering wild life habitats
Wear gloves when hunting or handling
Keep dogs and cats from hunting
Vaccinate individuals at risk
21
Q

What is the term for ear mites

A

Otodectes cyanotis

22
Q

What do ear mites cause?

A

External otitis

23
Q

How do you diagnose ear mites

A

Debris from external ear canal

24
Q

How can you control ear mites

A

Clean ears and apply mitecide

25
Q

What do you call a mite infestation?

A

Mange

26
Q

What do mites feed on?

A

Skin debris and lymph

27
Q

Are ear mites host specific?

A

Yes

28
Q

What is the life cycle of ear mites?

A

Eggs-larva-nymph-adult

29
Q

What stage to ear mites have six legs and when do they get eight?

A

Larvae and nymph

30
Q

What is the name of the fur mite?

A

Cheyletiella

31
Q

What is another name for the fur night?

A

Walking dandruff mite

32
Q

What does cheyletiella effect?

A

Cats

33
Q

Where do fur mites hang out?

A

Surface

34
Q

What do fur mites cause?

A

Mold itching and hair loss, alopecic dermatitis

35
Q

How long is cheyletiellas life span?

A

18-21 days

36
Q

How can you diagnose the fur mite?

A

Skin svraping

37
Q

How do you control fur mites

A

Apply miticide

38
Q

What is the mange mite?

A

Sarcoptes scabiei

39
Q

What can burrow tunnels into skin?

A

Sarcoptic scabiei

40
Q

What does the mange mite cause?

A

Severe dermatitis

41
Q

How do you diagnose mange mites?

A

Deep skin svraping

42
Q

How do you control the mange mite?

A

Apply miticide, clip hair and bathe

43
Q

What is the name of the follicular mange mite?

A

Demodex

44
Q

What does Dempsey cause?

A

Severe dermatitis

45
Q

How do you diagnose Demodex?

A

Deep skin scraping

46
Q

How do you control Demodex?

A

Treat with topical or systemic miticide

47
Q

Is Demodex host specific?

A

Yes

48
Q

What sis the life cycle of the biting live and how long?

A

Four weeks

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