exam 3 viruses

Question 1

calf 10 days old with diarrhea

Answer 1

bovine coronavirus
bovine rotovirus

Question 2

no viremia and only isolation from lymph nodes

Answer 2

rotovirus

Question 3

rotovirus causes

Answer 3

secretory diarrhea from toxin secretion

Question 4

most severe coronavirus form what has the highest mortality

Answer 4

TGE (alpha)

Question 5

what do we see with cats with coronavirus

Answer 5

little to no signs unless mutates to FIP

Question 6

general signs from coronavirus

Answer 6

blunting and necrosis of villi causing malabsorptive diarrhea

Question 7

what is the necropsy finding of parvoviruses

Answer 7

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

Question 8

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

Answer 8

hypoplasia in cats
myocardial necrosis in dogs

Question 9

what does parvovirus target

Answer 9

nuclei in mitotically active cells BLIST

Question 10

bovine GI virus that can cause PI animals

Answer 10

BVDV

Question 11

necropsy finding of BVDV

Answer 11

esophageal ulceration
peyer patch necrosis
fetal abnormalities

Question 12

necrotic stomatitis in a sheep

Answer 12

small ruminant renderpest (morbillivirus)

Question 13

what is our hepatitis virus in dogs

Answer 13

canine adenovirus 1

Question 14

what is the primary target of canine adenovirus 1

Answer 14

vascular and corneal endothelium

Question 15

petechial hemorrhage in multiple organs and hepatic necrosis in dogs

Answer 15

canine adenovirus 1

Question 16

syncytial cell formation and peyers patch necrosis in cattle

Answer 16

rinderpest. hopefully you never see this

Question 17

what strain is BVDV

Answer 17

non-cytopathic strain

Question 18

age range to cause a PI animal in BVDV

Answer 18

25-150 days gestation

Question 19

what porcine coronavirus has a vaccine

Answer 19

TGE has a vaccine
PEDV does not

Question 20

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

Answer 20

PEDV

Question 21

where does FIP infect

Answer 21

macrophages

Question 22

pyogranulomatous vasculitis in a cat

Answer 22

FIP (alpha covid)

Question 23

calf diarrhea, no gross histo lesions. virus

Answer 23

rotovirus

Question 24

where does coronavirus replicate

Answer 24

cytoplasm

Question 25

where does canine parvovirus replicate

Answer 25

oropharynx and peyers patches

Question 26

where does feline panleuk replicate

Answer 26

oropharynx and lymphnode

Question 27

when do we see mucosal disease in BVDV

Answer 27

PI animal infected or mutated to cytopathic form

Question 28

what are our DNA viruses

Answer 28

parvovirus, canine adenovirus 1

Question 29

equine coronavirus

Answer 29

self limiting minor diarrhea for a couple days

Question 30

where does rotovirus replicate

Answer 30

in entrocytes

Question 31

peyers patch necrosis of a bovine

Answer 31

BVDV

Question 32

target sites in parvoviruses

Answer 32

Bone marrow Lymph nodes Intestinal crypts Spleen Thymus