Quiz #1: Rodents Flashcards
Should the owner bring the rodents into the clinic in a recently changed cage?
No
Is the AWA enforced by the USDA?
Yes
Is it wise to have urine dipsticks available when rodents come into the clinic for physical examination?
Yes
Does an IC injection require anesthesia even if the injection is for euthenasia?
Yes
Is the tail a good way to obtain blood from ALL rodent species?
No
How long after birthing do rodents experience postpartum estrus?
24 hours
What provides a good source of energy and thermogenesis in rodents?
brown fat
In terms of activity what describes rodents?
nocturnal
Do male rodents have nipples?
no
Do male rodents have an os penis?
Yes
Do male rodents have open inguinal rings?
Yes
In terms of diet what are rodents considered?
omnivores
What kind of diet should rodents be fed?
block diet
If a rat is 500 g, how many kg does it weigh?
0.5 kg
Do rodent incisors have open roots?
Yes
What are rodents’ teeth separated by?
diastema
What is a long gap between incisors and molars?
distema
When determining the sex of a rodent the technician can look at what anatomical feature?
anogenital distance
What properties should rodent caging have?
chew proof
easy to clean
escape proof
In what caudal quadrant do rats receive IP injections?
left
In what caudal quadrant do mice, hamsters, and gerbils receive IP injections?
right
What medium should never be used for bedding?
cedar
Is group housing encouraged for rats and mice?
Yes
Is group housing encouraged for hamsters?
No
IACUC
Institutional Animal Care and Use Committee
What is not obtained during a history?
body temp.
What does a hamster with watery diarrhea and rectal prolapse have?
wet tail
What condition is common in gerbils?
seizures
What rodent species produces concentrated urine?
gerbils
What rodent species lack a gall bladder?
rats
What rodent species has cheek pouches?
hamsters
CRD is caused by what microorganism?
Mycoplasma
Tyzzer’s disease is caused by what microorganism?
Clostridium
Ringworm is caused by what microorganism?
Microsporum
Dermatitis is caused by what microorganism?
Staphylococcus
What is the order and family for rats and mice?
Muridae/rodentia
What order and family do hamsters and gerbils belong to?
Rodentia and Cricetide
The retro-orbital plexus venipuncture site is done at what canthus?
medial
Does venipuncture at the retro-orbital plexus require anesthesia?
Yes
What side of the tail is used for a tail vein blood draw in rodents?
lateral
What saphenous vein is used for a blood draw in rodents?
lateral
In rodents, does a blood draw from the jugular vein require anesthesia?
Yes
In rodents does the intra-cardiac blood draw require anesthesia?
Yes
Define inbred.
brother-sister/parent-offspring mating
Define outbred.
random mating
Define F1 hybrid.
Result of breeding two strains.
Define transgenic.
DNA is inserted early in development.
What kind of euthanasia technique is the CO2 chamber?
inhalant
What kind of euthanasia technique is the use of a barbituate?
IP injection
IC injection
What kind of euthanasia technique is isoflurane?
inhalant
What kind of euthanasia technique is cervical dislocation?
physical
What kind of euthanasia technique is decapitation?
physical
What is a Cestode?
tapeworm
What is Acariasis?
mite infestation
Giardia is an example of what?
Protozoa
Pinworm is a type of what?
nematode
What is pediculosis?
infestation with lice
