Rat

Question 1

rat incisors: which are longer lower or upper?

Answer 1

lower

Question 2

gnaw vs chew

Answer 2

gnaw: mandible move forward, molars don’t oppose

chew: lower incisors behind upper, friction on molars

Question 3

what is red tears

Answer 3

porphyrin from Harderian glands (between ear and eye)

*can occur during stress, disease

Question 4

incisor malloclusion - what is most common

Answer 4

traumatic loosening/fracture

Question 5

what to do for incisor malloclusion

Answer 5

burr with GA

Question 6

Parker’s Rat Virus (corona, “mumps”) pathology?

Answer 6

rhinitis –>
inflammation –>
epithelial necrosis –>
swelling of glands

Question 7

tx for rat mumps

Answer 7

resolves within a month (healing starts after a week)

Question 8

signs of rat mumps

Answer 8

conjunctivitis
corneal ulcer

Question 9

eye testing for rat mumps

Answer 9

Phenol Red Thread Test or
Fluorescein dye

Question 10

what is Legg-Calve-Perthes Dx? predisposing factor?

Answer 10

Avascular necrosis of the femoral head.

standing on back legs

Question 11

most common neuro dx in rats

Answer 11

Radiculoneuropathy
(loss of tail/urinary control, muscle wastage and paresis starting w hind limbs –> full paralysis)

Question 12

management for radiculoneuropathy

Answer 12

Soft bedding
Low hammocks/food
Clean urine scald
NSAID

Question 13

mammary tumors in rats are malignant or benign

Answer 13

80% benign (fibroadenoma)

Question 14

if mammary tumors aren’t removed –> what can you get

Answer 14

mechanical alopecia
ulcer
secondary infection
self trauma

Question 15

prevention of mammary tumors?

Answer 15

spay females
deslorelin implant
early surgery

Question 16

3 main resp pathogens

Answer 16

Mycoplasma pulmonis
Steptococcocus pneumoniae
Corynebacterium kutscheri

Question 17

chronic resp dx (CRD) is caused by ____. describe.

Answer 17

mycoplasma pulmonis.

wax and wane for 2+ years, commonly seen in groups

Question 18

CRD signs

Answer 18

nasal discharge
bubbly resp
sneeze/cough/dyspnea
lethary
poor coat

Question 19

does CRD lead to secondary infections

Answer 19

it can, yes

Question 20

tx for CRD (treating bronchitis)

Answer 20

bronchodilators (salbutamol)
doxycycline

Question 21

bacterial pneumonia is caused by ____. which age gets this?

Answer 21

streptococcus pneumoniae.

young.

Question 22

signs of bacterial pneumonia

Answer 22

sudden death in young.

dyspnea, nasal discharge in old

Question 23

tx for bacterial pneumonia

Answer 23

penicillin or amoxi clav
+ meloxicam
+ supportive

Question 24

which mucolytic to use

Answer 24

bromhexine

Question 25

tx for mites

Answer 25

ivermectin

Question 26

what is ulcerative dermatitis

Answer 26

staph aureus infection (can occur w self trauma from mites)

Question 27

Tropical Rate Mite tx
*zoonotic

Answer 27

fipronil in environment
ivermectin on rats

Question 28

is chronic progressive nephrosis common

Answer 28

yes

Question 29

signs of CPN

Answer 29

PUPD
weight loss
anorexia
lethargy

Question 30

Dx for CPN

Answer 30

proteinuria
high creatinine and BUN
renal US

Question 31

diet changes for CPN

Answer 31

low protein

Question 32

which analgesia for CPN

Answer 32

paracetamol