Chapter 18 - Quiz Flashcards
(18 cards)
Which is the appropriate description of barbering in mice?
a. A dominant mouse chewing the fur off a subordinate mouse
b. Fur clipping for identification of the animal
c. Shaving an animal before surgery
d. The loss of fur due to alopecia
a. A dominant mouse chewing the fur off a subordinate mouse
Which of the following is a black inbred mouse strain?
a. BALB/c
b. Swiss Webster
c. C57BL/6
d. ICR
c. C57BL/6
Which of the following is an albino inbred mouse strain?
a. C57BL/6
b. FVB
c. CD-1
d. ICR
b. FVB
What is the best description of a mouse outbred stock?
a. A line of mice that have been produced with brother-sister matings, and all mice are nearly genetically identical
b. A line of mice that have been produced by mating unrelated animals in a closed colony
c. A line of mice in which the coat color varies but the mice are nearly genetically identical
d. A line of mice that have been produced by cloning
b. A line of mice that have been produced by mating unrelated animals in a closed colony
Which would be an advantage of using inbred strains of mice?
a. They are prolific breeders and produce more pups than outbred stocks.
b. They provide more genetic variation.
c. They are nearly genetically identical.
d. They are more vigorous than outbred stocks and have a long breeding life.
c. They are nearly genetically identical.
What is the average weight of a newborn mouse?
a. 1-1.5 g
b. 2-2.5 g
c. 3-3.5 g
d. 4-4.5 g
a. 1-1.5 g
What is the term for the condition that results when a mouse’s incisors do not align properly and become overly long?
a. Malocclusion
b. Hyperdentition
c. Maldentition
d. Incisor protrusion
a. Malocclusion
You should be sure to change a mouse’s cage if the dam has just given birth.
a. True
b. False
b. False
Which of the following is NOT a sign that a mouse might be sick?
a. Sleeping during the daytime
b. Ruffled fur
c. Hunched posture
d. Red stains around the eyes or nose
a. Sleeping during the daytime
Decapitation is the most common method of euthanizing mice.
a. True
b. False
b. False
When mice are said to be nocturnal, what does this mean about their activity?
a. They are active during the day.
b. They are active at dawn and dusk.
c. They are active during the night.
d. They are active both day and night.
c. They are active during the night.
What is the scientific name for the common laboratory mouse?
a. Mus domesticus
b. Mus spretus
c. Microtus montanus
d. Mus musculus
d. Mus musculus
What is the term for offspring from 2 different inbred strains of mice?
a. Inbred
b. Hybrid
c. Outbred
d. Transgenic
b. Hybrid
What is the average weight range of adult female mice?
a. 18-35 g
b. 10-17 g
c. 36-43 g
d. 44-51 g
a. 18-35 g
How often do female mice go into estrus?
a. Only when mating occurs
b. Once per month
c. Every 4 to 5 days
d. Every 10 to 13 days
c. Every 4 to 5 days
What is postpartum estrus in mice?
a. The female goes into estrus within 14 to 28 hours of giving birth
b. The vaginal discharge after giving birth
c. The female is not fertile while she is nursing
d. The female goes into estrus after the male is removed from the cage
a. The female goes into estrus within 14 to 28 hours of giving birth
What is a good indication of a healthy newborn mouse?
a. Open eyes
b. Fully formed ears
c. A milk spot
d. Long teeth
c. A milk spot
What is a good practice to prevent fighting in group housed male mice?
a. Put the cage near the top of the rack where the lighting is brightest
b. House young male mice together from weaning
c. Don’t disturb the cage for 24 hours after combining two cages of mice
d. Add additional food to the cage
b. House young male mice together from weaning
