RATs lecture quiz #2

Question 1

Rat scientific name

Answer 1

Rattus Norvegicus

Question 2

Rat bones

Answer 2

Open epiphysis

Question 3

Rat lungs lobes

Answer 3

One left lobe and four small right lobes

Question 4

Eye gland

Answer 4

Harderian gland

Question 5

Eye gland secretes

Answer 5

Porphyrin called “chromodacryorrhea”

Question 6

Liver lobes

Answer 6

4: Median, L lateral, R lateral and caudate

Question 7

Average weight

Answer 7

300g - 400g

Question 8

Average lifespan

Answer 8

2 1/2 yrs to 3 1/2 yrs

Question 9

Reach puberty

Answer 9

65 - 110 days, breed around 3 months

Question 10

Females are

Answer 10

Polyestrus (not seasonal)

Question 11

Weaning

Answer 11

19 - 21 days

Question 12

Gestation

Answer 12

19 - 21 days

Question 13

Litter

Answer 13

6 - 12 pups

Question 14

Hairless until

Answer 14

7 - 10 days

Question 15

Blind, eyes closed

Answer 15

7 - 14 days

Question 16

Deaf

Answer 16

3 - 5 days

Question 17

Vaginal plug lasts

Answer 17

12 - 24 hours

Question 18

Non fertile mating results in

Answer 18

psudeopregnancy that lasts 5 - 10 days

Question 19

Ideal temp

Answer 19

68 - 72F (acceptable 64 - 79f)

Question 20

Humidity

Answer 20

40% - 60% ideal

Question 21

Food intake

Answer 21

5g/100g body weight a day

Question 22

Water intake

Answer 22

13 - 20ml/100g body weight a day

Question 23

Feed make up

Answer 23

20-25% protein and 4% fat

Question 24

Pneumocystic carinii

Answer 24

mycotic
Diag at necropsy with lung tissue exam using silver stain or serology

Trimethoprim-sulfa suppresses, but doesn’t cure.

Question 25

Lice

Answer 25

Polyplay spinulosa skin irritation, anemia permethrin dust

Question 26

Tapeworms

Answer 26

Rodentolepis nana Diag by fecal flotation, smear or id in small intestines zoonotic Praziquantel, strict sanitation

Question 27

Pinworms

Answer 27

Syphacia muris, S. obvelata and A. tetraptera not ordinary symptoms, but sometimes alter hema values and imm response perianal tape diag management practices, ivermectin

Question 28

Dermatophytosis (Ringworm)

Answer 28

Trichophyton mentagrophytes skin lesions or asymptomatic treat with antifungal????

Question 29

Ringtail

Answer 29

syndrome caused by low humidity (<20%0 | annular constrictions of tail - distal to constriction, tail may become necrotic or edematous

Question 30

Zymbal's gland tumors

Answer 30

behind ear - invasive, but not metatastic

Question 31

mammary tumors

Answer 31

neoplasia usually benign fibroadenomas | surgical removal is feasable and good prognosis.

Question 32

IDIR

Answer 32

rotavirus yellow stool zoonitic no treatment but supportive care

Question 33

Sialodacryoadentitis virus and rat coronavirus

Answer 33

inflammation of salivary gland and lacrimal gland eye squinting swelling of ventral cervical region, Burnout technique