Lab Animal Medicine Flashcards
Which species has 2 pairs of upper incisors, with a smaller pair found behind the larger pair?
a) Rabbit
b) Chinchilla
c) Gerbil
d) Hamster
A
Which species practices copraphagy as a necessary nutritional supplement?
a) Mouse
b) Primate
c) Rabbit
d) Hamster
C
Which species is unable to synthesize vitamin c?
a) rabbit and guinea pig
b) degu and guinea pig
c) guinea pig and primates
d) hamster and primates
C both require supplemental vitamin c because they lack the enzyme responsible for its synthesis
Lymphocytic choriomeningitis is a zoonotic disease that can be transferred from rodents, hamsters and occasionaly GPs to their handlers. What can be done to prevent transmission?
a) Antibiotic therapy
b) good hygiene
c) vaccination program for employees
d) cease all breeding and let infection run its course
B
Mice generally get along well, which allows males and females to be housed together. However, which important factor should be considered when doing so?
a) male mice will cannibalize their offspring
b) female will become pseudopregnant when in constant presence of male
c) female will be bred immediately after parturition
d) male might destroy the nest and agitate the female
C: female will have postpartum estrous cycle within 24 hours
Inbred strains are the result of at least how many generations of brother and sister mating?
a) 10
b) 20
c) 30
d) 40
C
Which organism causes Tyzzer’s disease?
a) Sialodacryoadentisis virus
b) Lawsonia
c) Mycoplasma
d) Clostridium
D
Which of the following have harderian glands?
a) Rats/gerbils
b) GP and chinchilla
c) hamsters and rats
d) mice and rats
A
To reduce risk for pubic symphysis, female GP should be bred before the age of:
a) 2 months
b) 3 months
c) 6 months
d) 9 months
C
Precocious offspring at birth occurs in which species?
a) GP and chinchilla
b) primates and rabbits
c) rats and mice
d) hamsters and gerbils
A
A mouse presents w/ hair missing from around its eyes and on inspection all mice except one has missing hair around the eyes. What is causing this?
a) ringworm
b) barbering
c) infection caused by Pasturella
d) mites
B: one has all its whiskers and the rest have them missing
Health screening rodent populations is important for protecting research outcomes. This is accomplished by:
a) microisolator caging system
b) sentinel
c) full PE, including rads
d) PPE
B: checks for all pathogens for concern
Hypsodontic refers to
a) constantly erupting teeth
b) gland behind eye in gerbil
c) method for immobilizing rabbits
d) bone marrow in mouse
A
Gestation of mouse
a) 17-18d
b) 19-21d
c) 20-22d
d) 22-25d
B
One of the major zoonotic concerns for handlers when working with primates
a) coxiella
b) herpes simiae
c) tularemia
d) powassan
B: results in encephalitis with high morbidity
