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ALAT Chapters 18 and 19: Mice and Rats Flashcards | StudBud
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ALAT Chapters 18 and 19: Mice and Rats
ALAT Chapters 18 and 19: Mice and Rats
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AALAS ALAT Chapters 18 and 19
Flashcards
29 cards
F
Practice quiz
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Host live
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Questions
29
Answers
1
The front teeth of rats grow throughout their lives and are called:
bicuspids.
cuspids.
incisors.
molars.
2
What is the scientific name for the common laboratory mouse?
Mus domesticus
Mus musculus
Mus spretus
Microtus montanus
3
Which two mating systems are commonly used with rats?
Monogamous, hand mating
Monogamous, polygamous
Polygamous, hand mating
Intermittent, monogamous
4
Which of the following is
NOT
a sign that a mouse might be sick?
Hunched posture
Sleeping during the daytime
Red stains around the eyes or nose
Ruffled fur
5
What is the most common form of enrichment for mice?
Running wheels
Nest building material
Group housing
Paper tubes
6
Which identification method is NOT commonly used with rats?
Ear tag
Tail tattoo
Collar with tag
Ear notching
7
Which of the following statements is
FALSE
?
Mouse urine is clear and yellow, with a strong odor.
Mice are nocturnal.
The incisors of mice grow continuously.
Unlike other rodents, mice are able to vomit.
8
Mice are routinely fed a diet which is:
semi-moist.
ground.
moist.
pelleted.
9
When is toe clipping usually done?
With neonates, with PI approval
With neonates, with IACUC approval
With weanlings, with permission from attending veterinarian
With adults, with permission from attending veterinarian
10
Which of the following is a common inbred strain of rats?
Sprague Dawley
Long-Evans
Wistar
Lewis
11
What is the average mouse life span?
12-36 months
6-10 months
44-52 months
38-42 months
12
Which of the following is NOT an inbred strain of mice?
129
BALB/c
CD-1
DBA
13
How much does the average adult male rat weigh?
800-1000 grams
100-250 grams
300-500 grams
600-700 grams
14
What is one disease that rats naturally develop?
Kidney failure
Uterine cancer
Hypertension
Neuroblastoma
15
Which of the following is
NOT
an appropriate way to restrain or pick up a mouse?
Pick up mouse by the base of its tail.
Use forceps to grab scruff of neck.
Grasp scruff of neck while securing tail with finger.
Pick up mouse by the tip of its tail.
16
What is one difference between rat and mouse environmental enrichment?
Rats do not like to build large nests.
Rats do not like to gnaw on chewable materials.
Rats do not like to be group housed.
Rats do not like to use hiding places.
17
How often should shelving and cage racks for rats be sanitized?
Once every two weeks
Once a day
Once a month
Once a week
18
What is the term used when a behaviorally dominant mouse chews the hair off of other mice?
Grooming
Trimming
Buzzing
Barbering
19
Which of the following statements is FALSE?
Like mice, rats are nocturnal.
The anogenital distance in females is double that of males.
Rats can knock cage lids off if they are not secure.
Rats respond positively to gentle handling over time.
20
What is the scientific name for the common laboratory rat?
Rattus rattus
Rattus exulans
Rattus mordax
Rattus norvegicus
21
How long is the gestation period in non-lactating female mice?
10-14 days
19-21 days
16-18 days
22-26 days
22
In addition to having no hair, what is another characteristic of nude mice?
They are diabetic.
They have a deficiency in their immune system.
They are naturally hypoglycemic.
They have ovarian cysts.
23
Female rats have a postpartum estrus within ___hours of parturition.
48
8
24
12
24
When mice are said to be nocturnal, what does this mean about their activity?
They are most active during the night.
They are most active during the day.
They are active at dawn and dusk.
They are active both day and night.
25
T OR F:
Ensuring death is only required for mice that were euthanized with inhalant anesthetics
False
True
26
Which method of euthanasia should NOT be performed on large adult rats?
Cervical dislocation
Carbon dioxide asphyxiation
Intraperitoneal injection of barbiturates
Overdose of inhalant anesthetic
27
What is the average weight of a newborn mouse?
2-3 grams
0.1-0.5 gram
4-5 grams
1-1.5 grams
28
Which of the following is FALSE?
Male rats can usually be housed together without fighting.
Rats are less likely to bite their handlers than mice.
Rats are generally easier to work with than mice.
Barbering is much more common in rats than in mice.
29
How many hours after giving birth do female mice have a postpartum estrus?
10-12
14-28
2-8
36-48
