ALAT Final Exam Practice

What is not a physical method of euthanasia? - Answer- Carbon Dioxide Mice exhibit postpartum estrus. They will normally come into estrus within ______ hours after giving birth. - Answer- 24 A male ferret is called a ____ and a female is called a _____. - Answer- 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 ____. - Answer- Transgenics Eating feces is termed _____. - Answer- Coprophagy When an is mostly active at night they are said to be _____. - Answer- Nocturnal The common laboratory rat, Rattus norvegicus, was developed from the wild brown ______ rat. - Answer- Norway The reddish material found in the tears and saliva of rats is called _____. - Answer- Porphyrin The hooded rat is also known as a _______ rat. - Answer- Long-Evans The golden hamster is also known as the _____ hamster. - Answer- Syrian The most unusual feature of the hamster, which makes it a popular model for research is their ___. - Answer- Cheek pouch Hamsters urine is normally _____ in color. - Answer- Whitish If an animal is born blind and helpless, it is considered to be _______. - Answer- altricial The most common outbred guinea pig used in research is the ______. - Answer- Dunkin-Hartley The normal gestation period for the cat is ___ months(s). - Answer- Two A female guinea pig is called a _____. - Answer- Sow Guinea pigs cannot syuthesize vitamin ____. - Answer- C The unique reproductive trait among gerbils is that they _______. - Answer- Mate for life An unusual behavior noticed in approximately 20% of gerbils is spontaneous _____. - Answer- Seizures Gerbils have relatively little odor compared to other rodents because ______. - Answer- they produce very small amounts of urine Paturation in rabbits is called ______. - Answer- kindling A female rabbit does not release eggs from her ovaries unit after mating has occurred, This process is called ______ ovulation. - Answer- Induced The normal gestation period for the dog is _____ month(s). - Answer- Two The primary reason a rabiit ingests night feces is to _____. - Answer- recover B vitamins, proteins and water The scientific term used to describe blood in the urine is ______. - Answer- hematuria The gestation period of the rabbit is approximately _____ days. - Answer- 30 Every six months, a female cat will have several periods of estrus which last 3-6 days. Reproductively she is said to be ______. - Answer- Seasonally polyestrous A cats _____ requirement is higher than that of other common laboratory animals. - Answer- Protein If a cat's hindquarters are elevated and her back is flattened, she is probably ______. - Answer- in estrus Neonatal animals require ______ exposure to CO2 to cause death compared to adult aniamls. - Answer- Longer The average gestation length in sheep and goats is _____ months. - Answer- Five Animals who chew their cud are also know as ___. - Answer- Ruminants The ____ requires that dogs be given the opppprtunity for additional exercise outside of their normal cages or runs. - Answer- Aniaml Welfare Act What structure is used to determine the sex of bullfrogs? - Answer- external tympanic membrane