VTNE questions Flashcards
On what animal would you expect to find wattles?
a chicken
What is a wattle?
-are part of chickens’ heat regulation system. They are unable to sweat. Instead they cool themselves through their blood circulation: the wattles and combs are thick with capillaries and veins for the overheated blood to pass through. It is air-cooled as it passes through these blood vessels. In turn, this cooler blood reduces the chicken’s internal temperature.
Which of the following is a zoonotic disease associated with birds?
Chlamydiosis
What is chlamydiosis?
an obligate intracellular bacteriuman; inapparent subclinical infection or acute, subacute, or chronic disease of wild and domestic birds characterized by respiratory, digestive, or systemic infection.
Pole and collar restraint is used for what species?
Macaca mulatta
What is Macaca mulatta?
old world monkeys
The common mite of the hedgehog is?
Caparinia
The sex of a juvenile chinchilla is determined by?
anogenital distance
Blood collected from the orbital sinus is common in what animal?
mouse
The female of what species exhibits the sexually dimorphic characteristic called the dewlap?
Oryctolagus cuniculus
What is Oryctolagus cuniculus?
European or common rabbit
The coccidia of the rabbit is?
Eimeria
All adult amphibians are?
Carnivores
In what species would you expect to find a hemipenis?
lizard
What is a hemipenis?
one of a pair of intromittent organs of male squamates (snakes, lizards and worm lizards).
Hemipenes are usually held inverted, within the body, and are everted for reproduction via erectile tissue
From what species might you obtain a cloacal sample?
Gallus domesticus (chicken)
The sex of a parrot is determined by?
blood test
What species is prone to audiogenic (produced by sound) seizures?
Meriones unguiculatus (gerbil)
The genus of the ferret ear mite is?
otodectes
Ferret young are called?
kits
Which of the following is not an induced ovulator?
guinea pig
Bumblefoot is a bacterial infection that causes swollen feet in what species?
Gallus domesticus (chicken)
The grandular portion of the stomach in birds is referred to as the?
proventriculus
What species has a uropygial gland?
Cricetulus griseus (hamster) informally known as the preen gland or the oil gland,
Gallus domesticus is the scientific name for the?
chicken
Which of the following nonhuman primates is considered to be platyrrhine. or broad nose?
Saimiri
Which of the following nonhuman primates does not carry the herpes B virus?
Cebus
Which of the following is a characteristic of New World monkeys?
Prehensile tail (capable of grabbing)
Before inducing anesthesia, how long should a pet rat be fasted?
fasting is not indicated
The maximum amount that can be safely administration to the rabbit by IM injection in one site is?
0.5 cc
IACUC stands for?
Institutional Animal Care and Use Committee
What species has ventral midline sebaceous glands that are more prominent in the male?
Gerbil
The inguinal rings completely close in which of the following species?
nonhuman primate
In what species is coprophagia is a normal behavior?
rabbit
Slobbers, or moist dermatitis, is a condition that occurs in ?
rabbits
The department within the USDA that is responsible for administering the Animal Welfare Act is the?
Animal Plant and Health Inspection Service
Tularemia is most commonly associated with what species?
rabbits (Oryctolagus cuniculus)
What species is prone to trichobezoar formation?
rabbits (Oryctolagus cuniculus)
Pododermatitis affects what species?
guinea pig
Which of the following species cannot synthesize vitamin C and needs to have it supplemented?
guinea pig
Kurloff corpuscles (leukocyte) are a common finding in what species?
Cavia porcellus (guinea pig)
Porphyrins are secreted by the ____ gland in rats.
harderian
The Harderian glands of rats are located behind the eyes and secrete various porphyrins that give the tears a reddish color.
Which of the following is an outbred strain of rat?
Long-EVans
The guide for the care and use of laboratory animals is used by what organization in its voluntary accreditation of laboratory animal facilities?
AAALAC - Association for Assessment and Accreditation of Laboratory Animal Care
What is the causative agent of Tyzzer disease?
Clostridium piliforme
Tyzzer disease is most commonly seen in what animal?q
rodent
Spenic hyperplasia (increased cell production in a normal tissue or organ (spleen)) is commonly seen in which of the following?
Ferret
What is the common cause of gastric ulcers in ferrets?
Helicobacter mustelae (bacteria)
Which of the following is a common subclinical, contagious coronavirus seen in mice used in research?
mouse hepatitus virus
What is the usual approximate life span of mice, rats, and hamsters?
3 years
What vein may readily be used for blood collection in mice and rats?
tail vein
What anatomic structure is similar in rodents and horses?
large cecum
Into what structure is the drug given when using a gavage needle in a rat?
stomach
How do pigeons blood cells differ from those of rabbits and rodents?
all of the mature blood cells are nucleated
The pigeon’s crop is part of what structure?
esophagus
What lab animal is best housed singly, because they often fight?
rabbit
In addition to cats, the cat bag is a useful restraint device for what animal?
rabbit
The armadillo is one of the few animal models of what human disease?
Leprosy
What rat is also known as the hooded rat?
long-Evans rat
What occurs in an animal with pregnancy toxemia?
ketosis
Pregnancy toxemia is most commonly seen in which of the following animals?
rabbit
Red leg is a common finding in what laboratory animal?
frogs
What is the earliest common clinical sign seen in ferrets or rabbits that are overheating?
licking their front legs
What human viral disease is contagious to nonhuman primates?
measles
Nude mice are used in research because they lack which of the following structures?
thymus gland
What is a common problem in ferrets whereby they become weak and may temporarily drag their rear legs?
insulinoma
Which of the following is a small South American primate often used as a laboratory animal?
common marmoset
What is the likely cause of vulval swelling in a spayed ferret?
Hyperadrenocorticism
Hyperadrenocorticism is?
AKA - Cushing’s disease in dogs is a condition that results from the chronic overproduction of too much glucocorticoid in the body.
What disorder is common in female rabbits older than 5 years?
Uterine adenocarcinoma
What disease are nonhuman primates routinely tested for in the laboratory setting?
Tuberculosis
Which of the following causes a proliferative otitis externa in rabbits?
Psoroptes cuniculi - ear mite
Open-rooted molars (grow continuously) are seen in which of the following animals?
guinea pig
What is not one of the common syndromes seen in rabbits with pasterurellosis?
Diarrhea
What is pasteurellosis?
a bacterial infection commonly affecting animals and sometimes transferred to humans through bites and scratches.
Which animal has a prehensile tail?
spider monkey
Scurvy is most likely to be seen in what animal?
guinea pig
The lab rat is known as Rattus norvegicus. What does Rattus refer to?
genus
In taxonomy, what does the term Rodentia refer to?
order
In what species are the young precocious?
Cavia porcellus - guinea pig
What problem is commonly associated with overfeeding pelleted feed to rabbits?
Trichobezoars
Which of the following is not considered an ape?
baboon
What is seen in chromodacryorrhea in rats?
Red tears
Which sex of rat, mouse, hamster, and gerbil has the longest anogenital distance?
males
Weaning in mice, rats, and hamsters usually occurs at what age?
3 weeks
What viral disease carried by mice and other rodents is zoonotic?
Lymphocytic choriomeningitis
A minimum of how many generations of brother-sister mating is necessary to create an inbred strain?
20 weeks
Ringtail in rats is most commonly used by what condition?
low humidity
What organization certifies laboratory technician and includes researchers and technicians in its membership?
AALAS - The American Association for Laboratory Animal Science
What agency prepares standards and enforces the Animal Welfare Act?
USDA - United States dept . of Agriculture
Teratology involves the study of?
abnormal fetal development
Severe combined immunodeficient (SCID) mice lack?
B and T cells
According to the AWA, which of these species must be provided with an environment adequate to promote their psychological well-being?
Nonhuman primate
Which laboratory animal is monogamous and mates for life?
Gerbil
Induced ovulators include?
Rabbit and ferret
Pyrogen and Draize tests involve which of the following species?
Rabbit
Mice, rats, and hamsters are weaned at ____ days?
21
Lymphocyte choriomeningitis, a viral disease with zoonotic potential is associated with which of the following species?
Hamster
Malocclusion in which of the following species involves elongated premolars and molars?
guinea pig
A New World monkey commonly used in research is the?
Squirrel Monkey