LAHM - New Material Assignments

Which of the following is the scientific name for the Mongolian gerbil?

Meriones unguiculatus

Which breeding scheme is the most successful in gerbils?

Monogamous pairing

What do gerbils use for territorial marking and pup identification?

Ventral marking gland

Which of the following is the scientific name for the guinea pig?

Cavia porcellus

What is the male guinea pig called?

Boar

Food should be withheld from guinea pigs prior to anesthesia because:

They can hold large amounts of feed in their mouths.

T/F: Gerbil pups are altricial when born.

True

T/F: Guinea pigs have very little difference in anogenital distance between males and females of the species.

True

T/F: Guinea pigs are precocial when they are born.

True

T/F: Guinea pigs engage in barbering when distressed.

True

T/F: Guinea pigs are agile climbers.

False

What is the scientific name for the zebrafish?

Danio rerio

What is one of the most common species of fish used in laboratory animal facilities?

Zebra fish

Which organ of fish extracts oxygen from the water?

Gills

Which anesthetic agent is commonly used with fish?

MS - 222

Which identification method is NOT commonly used in fish?

Tattoo

What is a behavioral change that may indicate pain or distress in zebrafish?

Flashing, Lethargy, and Piping

What is the scientific name of the ferret?

Mustela putorious furo

What is the term for a male ferret?

Hob

From what direction should horses be approached?

From the left side, 45 degrees at the shoulder.

What is a sign of dehydration in reptiles?

Lateral folds in the skin

When do reptiles generally defecate?

About 2-3 days after eating.

Newborn pigs are very sensitive to what environmental factor?

Cold temperature

Pigs are:

Omnivores

Where do pigs usually defecate in their pens?

In a corner away from the feed

Why should you use heavyweight water bowls and troughs in pig enclosures?

They root with their noses and will turn them over if too lightweight.

A castrated male pig is called a:

Barrow

Cattle have a wide field of vision but still have a blind spot:

Directly behind them

Foot stomping and head bobbing in sheep are signs of which of the following?

Warning

'Tipping' or 'rumping' in sheep refers to which of the following?

Restraining a sheep by setting it on its rump.

What are female goats called?

Does

T/F: Goats tend to flock while sheep tend to be more independent.

False

Nonhuman primates (NHPs) originating in South and Central America are referred to as:

New World Monkeys

Which of the following is a sign of submission in NHPs?

Displaying rump

Which of the following is the primary means of identification for primates?

Tattoo

Which vitamin in an NHP's diet is required in specific amounts to prevent scurvy?

Vitamin C

What is NOT a type of environmental enrichment for NHPs?

Resting boards

What is a characteristic of Old World monkeys?

Short nose with downward pointing nostrils

The gestation period in rhesus macaques is how many days?

159 - 169

Which of the following is the scientific name for the New Zealand White Rabbit?

Oryctolagus cuniculus

The female rabbit is called a:

Doe

The mating scheme most often used for breeding rabbits is:

Polygamous mating

One of the first signs of illness in rabbits is:

Loss of appetite

Which of the following sites is most preferred for venipuncture in rabbits?

Marginal ear vein

Which mating scheme works best for cats?

Harem mating

Which of the following methods of euthanasia is acceptable for dogs?

Injectable barbiturate overdose

T/F: Queens and does (rabbits) are induced ovulators.

True

In addition to the zebra finch, which avian species is most commonly used in research?

Carneau pigeons

Which of the following bones in the avian skeleton is pneumatic?

Keel

If you pinion a bird, you do which of the following?

Surgically remove the 2nd and 3rd metacarpal bones.

When you perform a wing trim, which feathers should you trim?

Primary wing feathers should be trimmed.

Sexual dimorphism in birds refers to:

Physical differences between sexes based on plumage.

What is the most commonly used amphibian species in research?

African clawed frogs

Amphibians are which of the following as adults?

Carnivores

Neoteny (paedomorphism) refers to which of the following?

Animals which retain juvenile characteristics as adults.

Which of the following may trigger cannabalism in amphibians?

Overcrowding and inadequate food supply

Which percentage of humidity is adequate to maintain the moisture of amphibian skin?

80%

Using detergents to clean tanks is not recommended with amphibians because:

Amphibians' skin is too sensitive and may absorb residues.

Which of the following can encourage an amphibian to eat?

Increase the temperature of the tank slowly by a few degrees.

The amphibian should always be handled with gloves that are:

Wet to protect the moist, sensitive skin.

Which of the following is a physical agent used for euthanasia that is ACCEPTABLE in amphibians?

Double pithing