Rodent- Final

Question 1

T/F: Rats have a monogastric stomach that is divided

Answer 1

TRUE

Question 2

T/F: Proteinuria in rats is normal

Answer 2

TRUE- large adrenals

Question 3

What pigments are seen in tears of rats?

Answer 3

Porphyrin

Question 4

T/F: Rats cannot vomit due to their divided stomachs

Answer 4

TRUE

Question 5

What are three common tumors seen in rats?

Answer 5

Pituitary tumors

Mammary gland tumors

Respiratory tract infections

Question 6

What are pituitary tumors linked to in rats?

Answer 6

Gonadal hormones

Question 7

What CS are seen in rats with pituitary tumors?

Answer 7

Neuro signs

Question 8

What is the dx and tx of pituitary tx

Answer 8

Dx: CT

Tx: Prednisone and cabergoline

Question 9

What type of mammary gland tumor is most common in rats?

Answer 9

Fibroadenomas common- locally aggressive

More common in females

Question 10

What are some different respiratory virus pathogens in rats?

Answer 10

Question 11

What is this?

Answer 11

Chromodacryorrhea

Question 12

What is the general tx for respiratory dz?

Answer 12

Long term antibiotics

Mycoplasma and strep: Enrofloxacin, doxycycline, azithromycin

Anti-inflammatories: Meloxicam when low; prednisone when worse

Sildenafil (pulmonary hypertension)

Question 13

What is this and what are potential causes?

Answer 13

Ring tail-annular constrictions of tail needing amputation

Causes: low humidity, bedding, trauma?

Question 14

What is a zoonotic disease caused by Strep. moniliformis?

Answer 14

Rat bite fever

Leads to bacteremia and septicemia

Penicillin used for tx

Question 15

T/F: It is normal to see sticky and smelly green discharge that looks like pus in a female hamster?

Answer 15

TRUE- caused by frequent estrus and discharge

Question 16

What is depicted in this image?

Answer 16

Scent gland

Question 17

What is going on here?

Answer 17

Cheek pouch eversion

Question 18

T/F: Dental dz typically only affects incisors

Answer 18

TRUE

Question 19

What does lawsonia intracellularis cause and what do you see?

Answer 19

Proliferative ileitis

Diarrhea or “wet tail” seen

Question 20

What is a zoonotic enteropathy found in hamsters?

Answer 20

Hymenolepis nana- zoonotic tapeworm

Question 21

What Ab should be avoided in hamsters?

Answer 21

Beta-lactams/macrolides

Question 22

Which Abs are safe to use in hamsters?

Answer 22

TMS, Chloramphenicol, enrofloxacin, metronidazole

Question 23

What are common cardiovascular problems observed in hamsters?

Answer 23

Hereditary cardiomyopathy results with atrial thrombosis and CHF

Aging hamsters

Question 24

What is the ectoparasite depicted below?

Answer 24

Cheyletiella- “walking dandruff”

Question 25

These integumentary problems are commonly observed in what breed of hamsters? Demodex, Cheyletiella, Epitheliotropic lymphoma and cushing’s dz

Answer 25

Syrian hamsters

Question 26

What are common geriatric conditions seen in hamsters

Answer 26

Amyloidosis

Hepatic cirrhosis

Polycystic liver tumor

CV dz

Question 27

What are common conditions seen in gerbils?

Answer 27

Epileptiform seizures

Cutaneous neoplasms

Facial dermatitis (nasal dermatitis)

Acariasis

Tail trauma

Neoplasms- melanomas

Question 28

What is a common pathogen that causes dermatitis in mice?

Answer 28

S. aureus