Rabbit form and function Flashcards

1
Q

The BCS of rabbits is from…

A

1-9

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2
Q

Where is adipose tissue stored?

A

Dewlaps (more pronounced in female)

Abdomen

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3
Q

Rabbis have a soft dense undercoat and long guard hairs. Name a species that has a different type of coat

A

Rex
No guard hair
Only undercoat - feel velvety

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4
Q

Rabbits don’t have footpads which makes them prone to pododermatitis. What hindlimb stance do they have? What bones are in contact with the floor?

A

Plantigrade

Tarsals and metatarsals

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5
Q

How many digits are on each foot in the rabbit?

A

5 on FL - 1 dew claw
4 on HL
18 in total

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6
Q

What is palpable in the rabbit abdomen?

A

Caecum (right side)
Colon (faecal pellets palpable)
Possibly bladder
Kidneys

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7
Q

Do male rabbits have nipples?

A

No - but lack of nipples does not mean female. Some females lack nipples

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8
Q

Describe the male repro anatomy in rabbits

A

Hairless scrotum with large epididymal fat pads

Scrotum cranial to penis

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9
Q

Why is it hard to sex rabbits, especially ones below 8 weeks?

A

Retract testes into inguinal canal

Cannot extrude prepuce until 8 wks

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10
Q

What scent glands are in the rabbit?

A

Anal
Inguinal (either side of genital)
Submental (below chin)

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11
Q

When palpating the mandible and maxilla, should you be able to feel lumps associated with tooth roots?

A

No - indicates chronic dental disease

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12
Q

What can the central auricular artery and the marginal ear veins be used for?

A

Artery - for feeling pulse

Vein - for IV catheters and drug administration

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13
Q

Rabbits have a very large field of view. Where is the blind spot on the rabbit?

A

Nose

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14
Q

Why do you need to be careful when performing an enucleation (eye removal) in rabbits?

A

Large retrobulbar venous plexus - easy to cause lots of bleeding

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15
Q

What can the lacrimal punctum be used for?

A

Cannulation

Flushing each tear duct - easily blocked

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16
Q

What is the dental formula for a rabbit?

A

I2/1
C0/0
PM3/2
M3/3

17
Q

Why must rabbit abdomen be tented during the incision?

A

Rabbits have very thin skin - easy to puncture abdominal organs

18
Q

The thoracic and abdominal cavities of a rabbit are very different in size. Why is this clinically relevant?

A

High chest wall compliance

High tidal volume = 4-6ml/kg

19
Q

Which lymphatic organ remains present in the adult rabbit?

A

Thymus

20
Q

What is the most important muscle in rabbit respiration?

A

Diaphragm

21
Q

The stomach is extremely large in the rabbit. What is the pH of the stomach?

A

1-2

5-6 in preweaned

22
Q

What is at the end of the ileum?

A

Ileocaecal tonsil

or sacculus rotundus

23
Q

What does the caecum terminate in?

A

The vermiform appendix

24
Q

What is the function of the caecum in the rabbit?

A

Microbial fermentation to VFAs
Where caecotrophs are produced
Antiperistalsis returns caecotrophs into caecum for further fermentation
Caecum contracts to expel caecotrophs into colon

25
Q

Can rabbits vomit?

A

No - well developed cardiac sphincter

26
Q

What is at the end of the proximal colon? What does this do?

A

Fusus coli

Separate soft and hard faeces

27
Q

What highly innervates the fusus coli?

A

Parasympathetic nerve fibres that control motility

28
Q

What cells are found within the follicles of the ileocaecal tonsil or sacculus rotundus?

A

Lymph cells

29
Q

How many sacculations does the colon have?

A
Proximal = 3
Distal = 0
30
Q

What pH is rabbit urine?

A

8-9

31
Q

What is the difference between rabbit and mammalian calcium absorption?

A

Mammals only absorb from the diet the calcium needed. Rabbits absorb all calcium in diet and excrete excess as CaCO3 crystals

32
Q

Where is calcium absorbed in the rabbit GI tract? What hormones prevent dangerously high levels of calcium?

A

Calcitonin

PTH (parathyroid hormone)

33
Q

What type of uterus do rabbits have?

A

Duplex - 2 cervixes

34
Q

What type of ovulators are rabbits?

A

Induced

35
Q

The ovarian pedicle is very friable in the rabbit. What is within this?

A

Ovarian artery and vein

Mesovarium (part of the broad ligament that suspends the ovaries)

36
Q

Where is the pancreas located in the rabbit?

A

Within the dudodenal loop

37
Q

What is the difference between the mesometrium in rabbits and dogs?

A

Lots of fat storage in rabbit

38
Q

What are the GALT in the rabbit?

A

Lymphoid appendix

Saculus rotundus