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RUSVM Parasitology > Mites: Burrowing Mites > Flashcards

Mites: Burrowing Mites Flashcards

1
Q

Burrowing mites spend their entire lives ____________________.

A

Burrowing mites spend their entire lives on the host, do not survive well off the host.

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2
Q

General characteristics of burrowing mites include:

A

Round bodies

Short posterior legs that do not extend beyond the margin of the body

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3
Q

Each strain of _________ has a preferred host.

A

Each strain of Scarcoptes scabiei has a preferred host.

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4
Q

Sarcoptic mange mite, itch mite, scabies mite are common names for _________.

A

Sarcoptic mange mite, itch mite, scabies mite are common names for Sarcoptes scabiei.

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5
Q

Common name for the strain of Sarcoptes scabiei that infect cattle is _________.

A

Common name for the strain of Sarcoptes scabiei that infect cattle is neck and tail mange.

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6
Q

Distribution of all burrowing mites is __________.

A

Distribution of all burrowing mites is worldwide.

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7
Q

_____________ adults can be up to 400um and has many spines on the body.

A

Sarcoptes scabiei adults can be up to 400um and has many spines on the body.

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8
Q

Life cycle of Sarcoptes scabiei

A

Females burrown in the skin and lay eggs in burrows

Larvae hatch and return to the surface of the skin

All stages tunnel in the epidermis, resurface and burrow again

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9
Q

Egg to adult of Sarcoptes scabiei is ____________.

A

Egg to adult of Sarcoptes scabiei is 2-3 weeks

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10
Q

Tunneling activity of ____________ along with their secretions acting as antigens and inducing hypersensitivity causes pruritis and dermatitis associated with epidermal hyperplasia.

A

Tunneling activity of Sarcoptes scabiei along with their secretions acting as antigens and inducing hypersensitivity causes pruritis and dermatitis associated with epidermal hyperplasia.

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11
Q

In pigs, they hypersensitivity phase of ____________ is followed by desensitization or no hypersensitivity and development of a carrier state.

A

In pigs, they hypersensitivity phase of Sarcoptes scabiei is followed by desensitization or no hypersensitivity and development of a carrier state.

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12
Q

Diagnose Sarcoptes scabiei by

A

Skin scraping

Pigs- ear wax

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13
Q

Predilation site of sarcoptes scabiei in dogs is __________.

A

Predilation site of sarcoptes scabiei in dogs is ears, elbows, ventral thorax and abdomen.

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14
Q

Predilection site for Sarcoptes scabiei in pigs is _____________.

A

Predilection site for Sarcoptes scabiei in pigs is head, inner surface of the ears.

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15
Q

Predilection site of sarcoptes scabiei in cattle is ____________.

A

Predilection site of sarcoptes scabiei in cattle is neck and base of the tail.

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16
Q

Treatment for Sarcoptes scabiei

A

Dogs: MCLs

Pigs: MCLs with sow treatment

Cattle: MCLs under supervision

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17
Q

Sarcoptes scabiei of __________ is of most zoonotic concern

A

Sarcoptes scabiei of dogs is of most zoonotic concern

18
Q

Sarcoptes scabiei of __________ is a reportable disease.

A

Sarcoptes scabiei of cattle is a reportable disease.​

19
Q
A

Sarcoptes scabiei

20
Q

Hosts of Notoedres cati include __________ and ___________.

A

Hosts of Notoedres cati include Cats and Humans.

21
Q

Common name for Notoedres cati is _________________.

A

Common name for Notoedres cati is Notoedic cat mite.

22
Q

_______________ adults can be up to 240um and have no spines.

A

Notoedres cati adults can be up to 240um and have no spines.

23
Q

Site of infestation of ______________ is around the head and neck

A

Site of infestation of Notoedres cati is around the head and neck

24
Q

Egg to adult of Notoedres cati is ____________.

A

Egg to adult of Notoedres cati is 6-10 days.

25
Q

______________ is highly contagious and gives the appearance as dry, encrusted, scaly lesions o the edges of the ears and on the face.

A

Notedres cati is highly contagious and gives the appearance as dry, encrusted, scaly lesions o the edges of the ears and on the face.

26
Q

Diagnosis of Notoedres cati through:

A

Skin Scraping

27
Q

____________ can temporarily infest humans, treatment of pet usually cures human.

A

Notoedres cati can temporarily infest humans, treatment of pet usually cures human.

28
Q

Treatment for Notoedres cati

A

Selamectin

Ivermectin

Fipronil

29
Q

Hosts of Knemidocoptes spp include ______, _______, and _________.

A

Hosts of Knemidocoptes spp include chickens, turkey and caged birds.

30
Q

Common name for Knemidocoptes mutans is ____________.

A

Common name for Knemidocoptes mutans is Scaly leg mite.

31
Q

Common name for Knemidocoptes gallinae is ____________.

A

Common name for Knemidocoptes gallinae is Depluming Itch Mite.

32
Q

Site of infestation of ___________ is under scales on the legs or non-feathered portions of the face.

A

Site of infestation of Knemidocoptes spp is under scales on the legs or non-feathered portions of the face.

33
Q

Egg to adult for Knemidocoptes spp is ____________.

A

Egg to adult for Knemidocoptes spp is 17-21 days.

34
Q

_______________ burrow in the epidermis under the scales on the legs causing the scales to lift and become loosened and the legs to become thickened and deformed.

A

Knemidocoptes mutans burrow in the epidermis under the scales on the legs causing the scales to lift and become loosened and the legs to become thickened and deformed.

35
Q

_______________ invades the feathers and burrows into the shafts causing pain and irritation.

A

Knemidocoptes gallinae invades the feathers and burrows into the shafts causing pain and irritation.

36
Q

Diagnosis of Knemidocoptes spp by

A

Removing and examining a loose scale

Skin Scraping

37
Q

Treatment for Knemidocoptes spp.

A

Dipping legs into acaricidal solution

Oral or topical ivermectin

38
Q
A

Notoedres cati

39
Q
A

Knemidocoptes spp.

40
Q
A

RUSVM Parasitology (16 decks)

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