Chapter 19 - Quiz Flashcards
(13 cards)
What is a common name for the Long-Evans rat?
a. Albino rat
b. Hooded rat
c. Wistar rat
d. Fischer rat
b. Hooded rat
Which is an inbred strain of rats?
a. Long-Evans
b. Wistar
c. Lewis
d. Sprague-Dawley
c. Lewis
What method of rat restraint is appropriate for brief handling?
a. Pick up the rat by scooping it up with the corner of the cage lid
b. Pick up the rat by the very end of the tail
c. Pick up the rat by the rear leg
d. Pick up the rat by the base of the tail
d. Pick up the rat by the base of the tail
What is the length of the gestation period for the rat?
a. 15-19 days
b. 21-23 days
c. 24-28 days
d. 30-33 days
b. 21-23 days
What is generally required to prevent group housed male rats from fighting?
a. Nothing since they usually do not fight.
b. Change the cage every other day.
c. Identify the dominant male and remove him.
d. Group house the males at an early age.
a. Nothing since they usually do not fight.
What is the best treatment for a rat with incisors that have failed to wear down normally?
a. Feed the animal powdered food.
b. Pull the teeth.
c. Clip the teeth.
d. Euthanize the animal.
c. Clip the teeth.
As with mice, what substance is found in the tears and saliva of rats that causes a red staining around the eyes?
a. Blood
b. Porphyrin
c. Estrogen
d. Long-chain fatty acids
b. Porphyrin
Like mice, rats tend to bite their handlers and can be aggressive.
a. True
b. False
b. False
Which diseases do rats naturally develop, making them good animal models to study these diseases?
a. Influenza and epilepsy
b. Epilepsy and leukemia
c. Atherosclerosis and brain tumors
d. Diabetes and hypertension
d. Diabetes and hypertension
Rats may have a vaginal plug after mating.
a. True
b. False
a. True
Which identification method is NOT commonly used for rats?
a. Collar with tag
b. Ear tag
c. Tail tattoo
d. Implantable microchip
a. Collar with tag
Which of the following statements about rat husbandry is TRUE?
a. Rats are usually fed and watered ad libitum.
b. Rats do not produce much urine, so their cages do not have to be changed as often as
mouse cages.
c. The same size caging can be used for rats as for mice.
d. Rats require a different type of pelleted feed than that used in mice.
b. Rats do not produce much urine, so their cages do not have to be changed as often as mouse cages.
Which method of euthanasia should NOT be performed on large adult rats?
a. Decapitation
b. Carbon dioxide asphyxiation
c. Cervical dislocation
d. Intraperitoneal injection of barbiturates
c. Cervical dislocation
