Exam 2 Flashcards
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?
hibernation tissue
Which vessel can be used for blood collection in a rat that does not require anesthesia for the procedure?
lateral tail vein
The taxonomic name for the most common rat used in biomedical research is:
Rattus sp.
If a rat has a wound, which of the following is NOT recommended for treatment?
bandage the wound
Animals that are the result of at least 20 generations of inbred mating are referred to as:
strain
Which route of administration of medication can result in lameness or self-mutilation in rats and mice?
intramuscular
Which of the following bedding materials for mice and rats may affect hepatic enzymes and could cause respiratory problems?
cedar shavings
Which infectious bacterial disease commonly found in mice and rats has zoonotic potential?
leptospira
The taxonomic name for the laboratory mouse is:
Mus musculus
Which term means that rats’ and mice’s teeth will continuously grow throughout their life?
hypsodontic
The scientific name for a hedgehog is
Atelerix albiventris
A hedgehog performs which unique behavior by taking an item into its mouth, mixing it with saliva, then applying the mixture to its spines?
self-anointing
Hedgehogs kept as pets in the United States rarely are infected with:
viral diseases
The scientific name for sugar glider is:
Petaurus breviceps
Sugar gliders are
omnivores
The primary use for which animal in research is to study human leprosy?
armadillo
Which species is the only marsupial native to North America and is used in comparative and development biology research?
opossum
Chinchillas kept in very warm and humid environment can be prone to:
heat stroke
Whether group or singly housed, which animal must be provided with a resting shelf above the floor of the cage?
cats
Chinchillas fed a high calcium diet are prone to:
Urinary calculi
Which disorder can be caused by feeding a tortoise a diet high in iceberg lettuce and cucumbers?
Hypovitaminosis A
Chelonians use which structure to acquire and tear their food?
Tomia
Which defense mechanism of reptiles involves distracting the pursuer with a contracting or wiggling object while the lizard makes its escape?
Tail autonomy
A gecko is having difficulty shedding its skin. Which of these husbandry concerns could be the reason for the difficulty?
temperature and humidity levels
Reptiles shed the outmost layer of skin on a regular basis. This process is referred to as:
Ecdysis
The forked tongue of snakes and lizards assists in delivering scent particles to the vemeronasal organ called the:
Jacobson’s organ
Reptiles require ultraviolet light to produce:
Vitamin D
The ventral part of a chelonian shell is called the:
plastron
The vagal response in reptiles can be triggered by:
Gently applying digital pressure to both eyes
Which is a unique feature of the reptilian heart?
It has 3 chambers
Due to the renal portal system, which is the only location to give IM injections in reptiles?
front limbs
The transmission of which disease to humans requires the excessive handling or eating of armadillo meat?
leprosy
A Canadian goose presents for an unknown illness. Radiographs show signs of a shotgun pellet in the stomach. What is the most likely illness?
heavy metal toxicosis
Opossums rarely carry zoonotic diseases. What trait can be attributed to this fact?
lower average body temperature
Which disease was discovered in 1993 and is a deadly disease contracted from contact with the urine, feces, or saliva of infected rodents?
Hantavirus pulmonary syndrome
Which personal protection item is mandatory to wear when working with wading birds such as egrets, cranes, or herons?
eye protection
When restraining a prey bird, such as an owl, what body part must be controlled to prevent injury to the handler?
talons
Which highly virulent disease for humans is often associated with wild rabbits and hares?
tularemia
What is the number one way to prevent the spread of disease?
handwashing
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?
west nile virus
The domestic rabbit was the first animal model for:
Atherosclerosis
The act of parturition in rabbits is referred to as:
Kindling
Cleaning rabbit cages often requires the use of an acidic cleaner:
To remove the deposits formed by highly crystalline urine
Rabbits often communicate warnings of danger by:
thumping hindlimbs
Which of the following can be the greatest risk of happening if a rabbit’s hind legs are not supported when handling the animal?
spinal cord injury
The most common breed of rabbits used in biomedical research is the:
New Zealand White
The genus name for the rabbit used in biomedical research is
Oryctolagus
The addition of a proteolytic enzyme, such as pineapple or papaya juice aids in preventing:
hairballs
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.
cecotroph
Which preanesthetic agent is often ineffective in rabbits?
Atropine
Rodent temperature
18-26 C
64-79 F
rodent
relative humidity
40-60%
rabbit temperature
16-22 C
61-72 F
rabbit
relative humidity
30-70%
Mouse life span
1-3 years
mouse gestation
19-21 days
mouse litter size
4-12
mouse weaning age
21 days
mouse estrus cycle
4-5 days
rat life span
2-3.5 years
rat gestation
21-23 days
rat litter size
6-12
rat weaning age
21 days
rat estrus cycle
4-5 days
rabbit life span
8-12 years
rabbit gestation
30-33 days
rabbit litter size
4-12
rabbit weaning age
5-8 weeks
rabbit estrus cycle
induced ovulator
