Exam 2 Flashcards

1
Q

Rats have a large store of brown fat around the neck and scapulae that provides 10 times the energy of other types of fat. What is this tissue called?

A

hibernation tissue

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2
Q

Which vessel can be used for blood collection in a rat that does not require anesthesia for the procedure?

A

lateral tail vein

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3
Q

The taxonomic name for the most common rat used in biomedical research is:

A

Rattus sp.

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4
Q

If a rat has a wound, which of the following is NOT recommended for treatment?

A

bandage the wound

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5
Q

Animals that are the result of at least 20 generations of inbred mating are referred to as:

A

strain

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6
Q

Which route of administration of medication can result in lameness or self-mutilation in rats and mice?

A

intramuscular

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7
Q

Which of the following bedding materials for mice and rats may affect hepatic enzymes and could cause respiratory problems?

A

cedar shavings

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8
Q

Which infectious bacterial disease commonly found in mice and rats has zoonotic potential?

A

leptospira

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9
Q

The taxonomic name for the laboratory mouse is:

A

Mus musculus

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10
Q

Which term means that rats’ and mice’s teeth will continuously grow throughout their life?

A

hypsodontic

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11
Q

The scientific name for a hedgehog is

A

Atelerix albiventris

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12
Q

A hedgehog performs which unique behavior by taking an item into its mouth, mixing it with saliva, then applying the mixture to its spines?

A

self-anointing

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13
Q

Hedgehogs kept as pets in the United States rarely are infected with:

A

viral diseases

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14
Q

The scientific name for sugar glider is:

A

Petaurus breviceps

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15
Q

Sugar gliders are

A

omnivores

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16
Q

The primary use for which animal in research is to study human leprosy?

A

armadillo

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17
Q

Which species is the only marsupial native to North America and is used in comparative and development biology research?

A

opossum

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18
Q

Chinchillas kept in very warm and humid environment can be prone to:

A

heat stroke

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19
Q

Whether group or singly housed, which animal must be provided with a resting shelf above the floor of the cage?

A

cats

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20
Q

Chinchillas fed a high calcium diet are prone to:

A

Urinary calculi

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21
Q

Which disorder can be caused by feeding a tortoise a diet high in iceberg lettuce and cucumbers?

A

Hypovitaminosis A

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22
Q

Chelonians use which structure to acquire and tear their food?

A

Tomia

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23
Q

Which defense mechanism of reptiles involves distracting the pursuer with a contracting or wiggling object while the lizard makes its escape?

A

Tail autonomy

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24
Q

A gecko is having difficulty shedding its skin. Which of these husbandry concerns could be the reason for the difficulty?

A

temperature and humidity levels

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25
Q

Reptiles shed the outmost layer of skin on a regular basis. This process is referred to as:

A

Ecdysis

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26
Q

The forked tongue of snakes and lizards assists in delivering scent particles to the vemeronasal organ called the:

A

Jacobson’s organ

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27
Q

Reptiles require ultraviolet light to produce:

A

Vitamin D

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28
Q

The ventral part of a chelonian shell is called the:

A

plastron

29
Q

The vagal response in reptiles can be triggered by:

A

Gently applying digital pressure to both eyes

30
Q

Which is a unique feature of the reptilian heart?

A

It has 3 chambers

31
Q

Due to the renal portal system, which is the only location to give IM injections in reptiles?

A

front limbs

32
Q

The transmission of which disease to humans requires the excessive handling or eating of armadillo meat?

A

leprosy

33
Q

A Canadian goose presents for an unknown illness. Radiographs show signs of a shotgun pellet in the stomach. What is the most likely illness?

A

heavy metal toxicosis

34
Q

Opossums rarely carry zoonotic diseases. What trait can be attributed to this fact?

A

lower average body temperature

35
Q

Which disease was discovered in 1993 and is a deadly disease contracted from contact with the urine, feces, or saliva of infected rodents?

A

Hantavirus pulmonary syndrome

36
Q

Which personal protection item is mandatory to wear when working with wading birds such as egrets, cranes, or herons?

A

eye protection

37
Q

When restraining a prey bird, such as an owl, what body part must be controlled to prevent injury to the handler?

A

talons

38
Q

Which highly virulent disease for humans is often associated with wild rabbits and hares?

A

tularemia

39
Q

What is the number one way to prevent the spread of disease?

A

handwashing

40
Q

Which is a mosquito-borne viral infection from a virus in the Flaviviridae family that can be serious, life-altering, or even fatal to humans?

A

west nile virus

41
Q

The domestic rabbit was the first animal model for:

A

Atherosclerosis

42
Q

The act of parturition in rabbits is referred to as:

A

Kindling

43
Q

Cleaning rabbit cages often requires the use of an acidic cleaner:

A

To remove the deposits formed by highly crystalline urine

44
Q

Rabbits often communicate warnings of danger by:

A

thumping hindlimbs

45
Q

Which of the following can be the greatest risk of happening if a rabbit’s hind legs are not supported when handling the animal?

A

spinal cord injury

46
Q

The most common breed of rabbits used in biomedical research is the:

A

New Zealand White

47
Q

The genus name for the rabbit used in biomedical research is

A

Oryctolagus

48
Q

The addition of a proteolytic enzyme, such as pineapple or papaya juice aids in preventing:

A

hairballs

49
Q

The fusus coli plays a role in the production of which product that is composed of water, nitrogen, electrolytes, and vitamins? Rabbits normally digest the product directly from the anus.

A

cecotroph

50
Q

Which preanesthetic agent is often ineffective in rabbits?

A

Atropine

51
Q

Rodent temperature

A

18-26 C

64-79 F

52
Q

rodent

relative humidity

A

40-60%

53
Q

rabbit temperature

A

16-22 C

61-72 F

54
Q

rabbit

relative humidity

A

30-70%

55
Q

Mouse life span

A

1-3 years

56
Q

mouse gestation

A

19-21 days

57
Q

mouse litter size

A

4-12

58
Q

mouse weaning age

A

21 days

59
Q

mouse estrus cycle

A

4-5 days

60
Q

rat life span

A

2-3.5 years

61
Q

rat gestation

A

21-23 days

62
Q

rat litter size

A

6-12

63
Q

rat weaning age

A

21 days

64
Q

rat estrus cycle

A

4-5 days

65
Q

rabbit life span

A

8-12 years

66
Q

rabbit gestation

A

30-33 days

67
Q

rabbit litter size

A

4-12

68
Q

rabbit weaning age

A

5-8 weeks

69
Q

rabbit estrus cycle

A

induced ovulator