09/05 Flashcards
The anogenital distance in rodents is greater in males or females?
males
What is teh rodent oreder?
rodentia
What family are mice and rats?
muridae
What family are gerbils and hamsters?
creicetidae
What collor do reodent’s teeth turn with age?
yellow
What is the long space between the incisors and molars of rodents?
diastema
What is the dental formula of the rodent?
I 1/1, C 0/0, P0/0, M 3/3
What can be said about the root of the rodent teeth?
open-rooted
Do rodent molars grow constantly?
no
Do male rodents have teats?
no
What can be said of the rodent pancreas?
has diffuse lobes
What in rodents is a soruce of energy and thermogenesis, found around kidneys, thymus and between the shoulders?
brown fat
Can rodents regurgitate or vomit?
No
In egenral are rodents seasonally polyestrus?
yes
After parturiti how soon can estrus occur?
within 24h
Are rats frequently cannibalistic?
No
Young rodents are what that requires them to be cared for after birth?
altricial
Mating between rodents results inwhat?
copulatory plug
What kind of stomach do rodents have?
monogastric
What is the rodent monogastric stomach dividded into?
non-gladular forestomach and glandular stomach
If a rodents does not consume all fruit and vegetables when should the reamining doo be removed?
within 4-6 h
What should be used instead of plastic bowls for rodents?
crocks
Whar can CEDAR bedding cause in rodents?
pododermatitis
How often isa the ave5rage rodents cage changed?
2-3x/wk
Do rodents, except for hamsters, like to group house?
Yes
What does the tail in rodents aid?
temp regulation
balance
In what species can the submandiblular blood draw be used?
mouse and rat
What is the maxvolume for an IC blood draw in a mouse?
0.2-0.25 cc
What is the max blood volume for an IC blood draw in a rat?
1cc
The following are forms of what in rodents? anesthetic overdose IP injection CO2 chamber cervical dislocation decapitation IC injection
euthanasia
Overdose of what can be given to euthanizse rodents?
isoflurane
barbiturate
Im injections are ususally not reccomended due to small what of the mouse and rat?
muscle mass
What volume can be injected via IM in mice?
0.05 mL
What volume can be injected via IM in rats?
0.3 mL
In what quadrant is an IP injection given in the mouse, gerbil, and hamster?
right caudal quadrant
In what quadrant is an IP injection given in the rat?
left caudal quadrant
What volume can be injected SQ in a rat?
5-10 mL
What volume can be injected SQ in a mouse?
1-3 mL
What system should be used with inhalant anesthetic for rodents?
non-rebreathing
What should be applied to the rodent eye during anesthesia?
lubrication
How often should a rodent be turned during surgery to avoid atelectasis?
q30-60min
What must be ensured before returning the rodent to its cage?
recovery
Define acariasis.
fur mite infestation
Are fur mites host specific?
yes
The following are examples of what in rodents?
Myobia spp.
Mycoptes spp.
Radfordia spp.
fur mites
What is the most commonly affected site for acariasis?
rump
The following are examples of what in rodents?
Syphacia spp.
Aspicularis spp.
Pinworms
Can rectal prolapse occur with a worm infection in rodents?
Yes
The following are examples of what in rodents?
Giardia spp.
Spironucleus muris
Protozoa
Define pediculosis.
lice infestation
Polyplax spp. is an example of what in rodents?
louse
Define cestode infection.
tapeworm infection
Hymenoleptis nana is an example of what in rodents?
tapeworm
Is Hymenoleptis nana zoonotic?
Yes
Does hymepnoleptis nana have a direct life cycle?
No: indirect
What are the intermediate hosts for Hymepnoleptis nana?
flea
flowe beetle
Dermeittis is especially prominent in what rodent species?
mice
What zoonotic bacteria can rodents be infected with?
staphylococcus
streptococcus
Is a streptococcus infection associated with pharyngitis in rodents?
yes
Is staphylococcus associated with superficial pyodermas in rodents?
yes
What neoplastic condition is common in rodents?
mammary tumors
Is CRD treatable?
No
Sialodacryoadenitis virus is related to what?
MHV
Sialodacryoadenitis virus is what kind of virus?
corona
Is photophobia associated with Sialodacryoadenitis virus?
Yes
The following are examples of what in rodents?
Trichophyton spp.
Microsporum spp.
fungal infectious agents
Tizzer’s disease in rodents is associated with what organism?
Clostridium piliforme
What is the mortality rate for Tizzer’s disease?
high
Can Tizzer’s disease be due to stress?
Yes
Does a rough haircoat occur with Tizzer’s disease?
Yes