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eating and eliminating > exam 3 viruses > Flashcards

exam 3 viruses Flashcards

1
Q

calf 10 days old with diarrhea

A

bovine coronavirus
bovine rotovirus

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2
Q

no viremia and only isolation from lymph nodes

A

rotovirus

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3
Q

rotovirus causes

A

secretory diarrhea from toxin secretion

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4
Q

most severe coronavirus form what has the highest mortality

A

TGE (alpha)

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5
Q

what do we see with cats with coronavirus

A

little to no signs unless mutates to FIP

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6
Q

general signs from coronavirus

A

blunting and necrosis of villi causing malabsorptive diarrhea

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7
Q

what is the necropsy finding of parvoviruses

A

necrotizing enteritis, necrosis of crypt epithelium, fetal abnormalities, villi blunting

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8
Q

what are the fetal abnormalities caused in dogs and cats by parvovirus

A

hypoplasia in cats
myocardial necrosis in dogs

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9
Q

what does parvovirus target

A

nuclei in mitotically active cells BLIST

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10
Q

bovine GI virus that can cause PI animals

A

BVDV

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11
Q

necropsy finding of BVDV

A

esophageal ulceration
peyer patch necrosis
fetal abnormalities

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12
Q

necrotic stomatitis in a sheep

A

small ruminant renderpest (morbillivirus)

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13
Q

what is our hepatitis virus in dogs

A

canine adenovirus 1

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14
Q

what is the primary target of canine adenovirus 1

A

vascular and corneal endothelium

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15
Q

petechial hemorrhage in multiple organs and hepatic necrosis in dogs

A

canine adenovirus 1

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16
Q

syncytial cell formation and peyers patch necrosis in cattle

A

rinderpest. hopefully you never see this

17
Q

what strain is BVDV

A

non-cytopathic strain

18
Q

age range to cause a PI animal in BVDV

A

25-150 days gestation

19
Q

what porcine coronavirus has a vaccine

A

TGE has a vaccine
PEDV does not

20
Q

see through intestines, severe blunting and necrosis of villi in a piglet

A

PEDV

21
Q

where does FIP infect

A

macrophages

22
Q

pyogranulomatous vasculitis in a cat

A

FIP (alpha covid)

23
Q

calf diarrhea, no gross histo lesions. virus

A

rotovirus

24
Q

where does coronavirus replicate

A

cytoplasm

25
Q

where does canine parvovirus replicate

A

oropharynx and peyers patches

26
Q

where does feline panleuk replicate

A

oropharynx and lymphnode

27
Q

when do we see mucosal disease in BVDV

A

PI animal infected or mutated to cytopathic form

28
Q

what are our DNA viruses

A

parvovirus, canine adenovirus 1

29
Q

equine coronavirus

A

self limiting minor diarrhea for a couple days

30
Q

where does rotovirus replicate

A

in entrocytes

31
Q

peyers patch necrosis of a bovine

A

BVDV

32
Q

target sites in parvoviruses

A

Bone marrow
Lymph nodes
Intestinal crypts
Spleen
Thymus

eating and eliminating (14 decks)

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