1: Taxonomy, Anatomy, Physiology

Question 1

Class and order of rabbits

Answer 1

Class Mammalia, Order Lagomorpha

Question 2

How are lagomorphs different from rodents?

Answer 2

of incisors (6 vs 4), and lighter skull structure

Question 3

Hares belong to which genus?

Answer 3

Lepus

Question 4

Confusing names of rabbits/hares

Answer 4

Jackrabbits are hares. Belgian hares are rabbits.

Question 5

Differences between rabbits and hares

Answer 5

Rabbit young are altricial. Hare young are precocial. Longer palate in rabbits. Hares are larger and have longer ears.

Question 6

The only lagomorph to be domesticated

Answer 6

Oryctolagus cuniculus

Question 7

Ears make up what % of total body surface area?

Answer 7

12

Question 8

What are peg teeth?

Answer 8

Secondary incisors

Question 9

Diastema is flanked by which teeth?

Answer 9

Incisors and premolars, space is formed by the absence of canines

Question 10

Name the # and pairs of salivary glands

Answer 10

4 pairs - parotid, submaxillary, sublingual, zygomatic

Question 11

Which salivary gland is useful for research?

Answer 11

Parotid (very large)

Question 12

What prevents vomiting?

Answer 12

Well-developed cardiac sphincter

Question 13

Striated muscle of esophagus extends to where?

Answer 13

Cardia

Question 14

Stomach makes up what % of GI volume?

Answer 14

15%

Question 15

Terminal ileum empties into which structure?

Answer 15

Sacculus rotundus

Question 16

What does the sacculus rotundus contain?

Answer 16

Lymphoid aggregates

Question 17

Cecum makes up what % of the GI?

Answer 17

40%

Question 18

Vermiform appendix

Answer 18

Blind, narrow tube at end of cecum - has many lymphoid aggregates

Question 19

Pacemaker of the colon

Answer 19

Fusus coli - regulates passage of ingesta into the colon

Question 20

Cecotrophs are rich in which nutrients?

Answer 20

Vitamins, minerals, nitrogen

Question 21

Rabbits secrete what form of bile?

Answer 21

More biliverdin than bilirubin

Question 22

How does the rabbit kidney compare to other mammalian species?

Answer 22

More primitive

Question 23

Which minerals are excreted by the rabbit kidney?

Answer 23

Calcium and magnesium

Question 24

Rabbits are what kinds of ovulators?

Answer 24

Reflex ovulators

Question 25

Temperature range for rabbits

Answer 25

61-80 deg F

Question 26

Which mutation is thought to contribute to hydrocephalus?

Answer 26

hy/hy

Question 27

Which mutation causes paralytic tremors?

Answer 27

pt

Question 28

Describe CNS hypomyelination

Answer 28

Hypomyelination of white matter

Question 29

Inheritance of buphthalmia

Answer 29

bu/bu - autosomal recessive with incomplete penetrance.

Question 30

cat-1/cat-1 mutation causes what?

Answer 30

Cataracts - bilateral lens opacity

Question 31

cat-2/cat-2 mutation causes what?

Answer 31

Cataract - unilateral lens opacity

Question 32

Which mutation causes mandibular prognathism?

Answer 32

mp/mp - autosomal recessive with incomplete penetrance

Question 33

What is the most common inherited disease of rabbits?

Answer 33

Mandibular prognathism

Question 34

Osteopetrosis

Answer 34

Small rudimentary incisors | Increased bone density

Question 35

Heritance of osteopetrosis

Answer 35

os/os, autosomal recessive

Question 36

Which enzyme breaks down atropine?

Answer 36

Atropine esterase

Question 37

Mutation for Pelger Huet Anomaly

Answer 37

Pg/pg, Pg/Pg (autosomal partial dominant) | Disease with Pg/Pg only

Question 38

Mutation for hereditary lymphosarcoma

Answer 38

ls/ls (autosomal recessive)

Question 39

Pregnancy toxemia incidence is highest in which breeds?

Answer 39

Dutch, Polish, English breeds

Question 40

Tx for pregnancy toxemia

Answer 40

LRS, cal gluc, 5% dextrose, steroids

Question 41

Predisposing factors for ulcerative pododermatitis

Answer 41

Size, poor sanitation, wire bottom, thin fur pads

Question 42

Uroliths are frequently caused by which minerals?

Answer 42

Ammonium magnesium phosphate, calcium carbonate

Question 43

Which injectable anesthetics cause cardiomyopathy in rabbits?

Answer 43

Ketamine/xylazine