Chapter 14: Common Health Problems Of Laboratory Animals

Question 1

The most common method used to detect the presence of mouse hepatitis virus (MHV) in a colony is:

Answer 1

Serology testing of sentinels or colony animals

Question 2

True or False
Mouse parvovirus in rats and mice is always subclinical.

Answer 2

True

Question 3

Which of the following is NOT an indication an animal has malocclusion?
A- Weight loss
B- Excess salivation
C- Wetness of the chin and forepaws
D- Increased aggression to cage mates

Answer 3

D- Increased aggression to cage mates

Question 4

What changes in the appearance of young mice would indicate that they suffer from epizootic diarrhea of infant mice (EDIM)?

Answer 4

Stains around the anus and the base of the tail caused by yellow stools

Question 5

Wild-caught animals are likely to carry which ectoparasites?
A- Mites
B- Ticks
C- Fleas
D- All of the above

Answer 5

D- All of the above

Question 6

Bacterial diarrhea of hamsters is known by what common name?
A- Helicobacter
B- Wet-tail disease
C- Slobbers
D- Mucoid enteropathy

Answer 6

B- Wet-tail disease

Question 7

Which viral disease of rodents affects the salivary glands and the Harderian glands?

Answer 7

Sialodacryoadenitis (SDAV)

Question 8

True or False
Syphacia spp. can be detected by finding eggs on the perineum of the affected animal.

Answer 8

True

Question 9

True or False
Rabies can be transmitted by mosquitoes.

Answer 9

False

Question 10

True or False
Antibiotics effective against mainly gram-positive organisms should be avoided in guinea pigs.

Answer 10

True

Question 11

List two possible causes of hairballs in rabbits

Answer 11

1- self-grooming
2- insufficient dietary fiber

Question 12

Which of the following is an often fatal disease affecting ferrets?
A- Canine distemper
B- Aleutian disease
C- Influenza
D- Infectious tracheobronchitis

Answer 12

A- Canine distemper

Question 13

Name a ferret disease that affects only the females of the species

Answer 13

Aplastic anemia

Question 14

Canine parvovirus is an acute infection affecting which part of the gastrointestinal system?

Answer 14

The lining of the small intestine

Question 15

How is heartworm infection spread?
A- The fecal-oral route
B- Mosquitoes
C- Aerosol transmission
D- Bite wounds

Answer 15

B- Mosquitoes

Question 16

Which treatment relieves feline lower urinary tract disease? (Choose all that apply)
A- Inserting a catheter in the urethra
B- Using medication to make the urine more acidic
C- Limiting water intake
D- Providing more magnesium in the diet

Answer 16

A- Inserting a catheter in the urethra
B- Using medication to make the urine more acidic

Question 17

In most cases, how do nonhuman primates contract tuberculosis?
A- From other primates in the wild
B- Through infected fomites
C- Via infected humans
D- From body fluids from infected animals

Answer 17

C- Via infected humans

Question 18

True or False
Intradermal tuberculin testing is used to test nonhuman primates for tuberculosis.

Answer 18

True

Question 19

What special precaution should the staff take when performing a necropsy on an animal suspected of having tuberculosis?

Answer 19

Water appropriate personal protective equipment, including a respirator

Question 20

What is the primary cause of fighting in aquatic species?
A- Insufficient food
B- Lack of environmental enrichment
C- Overcrowding
D- Poor water quality

Answer 20

C- Overcrowding

Question 21

True or False
Q-fever is only found in sheep.

Answer 21

False

Question 22

List two other common names for orf.

Answer 22

1- Contagious ecthyma
2- sore mouth

Question 23

List at least 3 reasons Corynebacterium bovis is clinically relevant in the vivarium.

Answer 23

1- High degree of virulence
2- Environmental persistence
3- high potential for reinfection even after treatment

Question 24

Which of the following pathogens causes velvet disease?
A- Aeromonas hydrophila
B- Ichthyopthirius multifilis
C- Pseudoloma neurophilia
D- Piscinoodinium pillulare

Answer 24

D- Piscinoodinium pillulare

Question 25

What is the cause of gas bubble disease in fish?

Answer 25

Too much are dissolved in the water