Laboratory Animal Behavior and Characteristics, Exams of Health sciences

Detailed information about various laboratory animals, including their physical characteristics, behavior, and reproductive biology. It covers a wide range of species such as mice, rats, hamsters, guinea pigs, rabbits, ferrets, and non-human primates. The document also discusses their care, feeding, and identification methods, as well as common diseases and health issues.

Typology: Exams

2023/2024

Available from 04/17/2024

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ALAT Final Exam Practice
What is not a physical method of euthanasia? - Carbon Dioxide
Mice exhibit postpartum estrus. They will normally come into estrus within ______ hours
after giving birth. - 24
A male ferret is called a ____ and a female is called a _____. - Hob; jill
Scientific technology has developed the technique for introducing genetic material from
one animal into the fertilized egg of a different animal. When the offspring are born they
are called ____. - Transgenics
Eating feces is termed _____. - Coprophagy
When an is mostly active at night they are said to be _____. - Nocturnal
The common laboratory rat, Rattus norvegicus, was developed from the wild brown ______
rat. - Norway
The reddish material found in the tears and saliva of rats is called _____. - Porphyrin
The hooded rat is also known as a _______ rat. - Long-Evans
The golden hamster is also known as the _____ hamster. - Syrian
The most unusual feature of the hamster, which makes it a popular model for research is
their ___. - Cheek pouch
Hamsters urine is normally _____ in color. - Whitish
If an animal is born blind and helpless, it is considered to be _______. - altricial
The most common outbred guinea pig used in research is the ______. - Dunkin-Hartley
The normal gestation period for the cat is ___ months(s). - Two
A female guinea pig is called a _____. - Sow
Guinea pigs cannot syuthesize vitamin ____. - C
The unique reproductive trait among gerbils is that they _______. - Mate for life
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ALAT Final Exam Practice

What is not a physical method of euthanasia? - Carbon Dioxide Mice exhibit postpartum estrus. They will normally come into estrus within ______ hours after giving birth. - 24 A male ferret is called a ____ and a female is called a _____. - Hob; jill Scientific technology has developed the technique for introducing genetic material from one animal into the fertilized egg of a different animal. When the offspring are born they are called ____. - Transgenics Eating feces is termed _____. - Coprophagy When an is mostly active at night they are said to be _____. - Nocturnal The common laboratory rat, Rattus norvegicus, was developed from the wild brown ______ rat. - Norway The reddish material found in the tears and saliva of rats is called _____. - Porphyrin The hooded rat is also known as a _______ rat. - Long-Evans The golden hamster is also known as the _____ hamster. - Syrian The most unusual feature of the hamster, which makes it a popular model for research is their ___. - Cheek pouch Hamsters urine is normally _____ in color. - Whitish If an animal is born blind and helpless, it is considered to be _______. - altricial The most common outbred guinea pig used in research is the ______. - Dunkin-Hartley The normal gestation period for the cat is ___ months(s). - Two A female guinea pig is called a _____. - Sow Guinea pigs cannot syuthesize vitamin ____. - C The unique reproductive trait among gerbils is that they _______. - Mate for life

An unusual behavior noticed in approximately 20% of gerbils is spontaneous _____. - Seizures Gerbils have relatively little odor compared to other rodents because ______. - they produce very small amounts of urine Paturation in rabbits is called ______. - kindling A female rabbit does not release eggs from her ovaries unit after mating has occurred, This process is called ______ ovulation. - Induced The normal gestation period for the dog is _____ month(s). - Two The primary reason a rabiit ingests night feces is to _____. - recover B vitamins, proteins and water The scientific term used to describe blood in the urine is ______. - hematuria The gestation period of the rabbit is approximately _____ days. - 30 Every six months, a female cat will have several periods of estrus which last 3-6 days. Reproductively she is said to be ______. - Seasonally polyestrous A cats _____ requirement is higher than that of other common laboratory animals. - Protein If a cat's hindquarters are elevated and her back is flattened, she is probably ______. - in estrus Neonatal animals require ______ exposure to CO2 to cause death compared to adult aniamls.

  • Longer The average gestation length in sheep and goats is _____ months. - Five Animals who chew their cud are also know as ___. - Ruminants The ____ requires that dogs be given the opppprtunity for additional exercise outside of their normal cages or runs. - Aniaml Welfare Act What structure is used to determine the sex of bullfrogs? - external tympanic membrane In birds, the reproductive, digestive, and urinary tract all terminate in a common opening known as the __. - Cloaca The normal gestation length for the ginuea pig is ___ days. - 60 - 65 Which of the following is not an Old World monkey?

The gestation period in the mouse and rat is about ____ weeks. - three If two mouse strains are bred together to produce a mixture of genes of each strain, the resultant animals are called _____. - Hybrids The non-functional pendants of skin sometimes hanging from either side of the goats neck are called ___. - wattles The space between the anus and genital papilla of rodents used for sexing is called the ______. - anogenital distance Amphibian cages should be routinely rinsed a few hours after ____. - Feeding What is the best method to permanently identify a nonhuman primate? - Chest tattoo What are the two main types of nonhuman primates - Anthropoids and prosimians T/F Adding sodium thiosulfate to the water is a valid method for removing chlorine from the water. - True Nonhuman primates who originate in South and Central America are referred to as _____. - New World Monkeys A common condition in salamanders where they remain in their aquativ larval form with persistent gills throughout life is called _____. - Neoteny The common name for Xenopus laevis is ____. - African clawed frog T/F Prehensile tails are a characteristic for Old World monkeys - False T/F Ischial callosities is a characteristic for New World Monkeys - False Name three parts of the avian reproductive system - Cloaca, infundibulum, and magnum The average gestation period in nonhuman primates is _____ months. - 5 - 6 A special dietary compenent for birds that is composed of oyster shell and granite is called ___. - Grit The __- requires that monkeys housed in research facilities be provided with opportunities to simulate as closely as possible, its normal (wild) activites. - Animal welfare act The clinical term for insufficient oxygen is ____. - Hypoxia The term used to describe the study of birth defects is _____. - Teratology

The largest governement agency fostering biomedical research with direct financial support is the _____. - National Institutes of Health T/F Nude mice are a warm-blooded vertebrate that is regulated by the Animal Welfare Act.

  • False Who prepares the "Guide for the care and Use of Laboratory Animals"? - ILAR (Institute of Laboratory Animal Resources) If an animal lacks a means of generating heat internally it is called a(n) _____. - Ectotherm The word, hypotrichosis, has the root ___, the prefix ____, and the suffix ____. - tricho; hypo; osis All organic compounds contain ____. - Carbon The term cardio refers to the ______. - Heart Snakes are ______. - carnivores The term hepato refers to the ______. - Liver The standard symbol for the element calcium is ___. - Ca Which of the following is the correct formula for the conversion of the Fahrenheit degrees to celsius degrees? - C=5/9 (F-32) Cagewash temperatures should be 180 degrees F, what is the temperature on the Celsius scale? - C = 0.55555555(180-32) C = 0.55555555(148) C = 82. The anatomic term ventral means towards the ____. - Abdomen The anatomic term medial means towards the ____. - middle of body The lungs in mammals lie in the ______ cavity. - Thoracic A male rabbit is called a _____. - Buck The kidneys are part of which body system? - Urinary The chinchilla belongs to the same family as the ___. - Guinea pig The function of the lungs is to ____. - Deliver oxygen to the blood

A single notch in the bottom of the right ear and a single punch hole in the top of the left ear indicates what ID # in a mouse? - 16 If the genes for coat color in a sheep are different, the animal is said to be: - heterozygous for coat color In a rodent-breeding colony, which type of breeding scheme should be used to obtain minimal homozygosity in the shortest period of time? - outbreeding Clean rodent barrier rooms should be ventilated at which type of pressure towards the hallway? - Positive pressure The destruction of all organisms on an object is referred to as: - sterilization Commercially prepared rabbit diets have a high ___ content. - Fiber