ALAT PREP EXAM Questions and Answers

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ALAT PREP EXAM Questions and Answers 1.true or false turtles are an aquatic species✔✔ false, turtles can be aquatic, amphibious, or terrrestrial 2.Name 2 methods for the identification of fish✔✔ jaw tags, freeze branding, or fin clipping 3.the rule for fish density per liter of water is per liter✔✔ 1 gram 4.what is an ectotherm✔✔ cold-blooded animal that lacks ability to generate heat 5.explain the difference between diurnal and nocturnal✔✔ diurnal means active during the day, nocturnal means active during the night 6.after eating a meal, how soon should a reptile defecate✔✔ 2-3 days 7.what is the best type of lighting to use for aquariums✔✔ fluorescent 8.what is the typical quarantine interval for fish upon arrival✔✔ three weeks 9.Holstein, Jersey, and Guernsey are examples of which breed of 1 / 4

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animal✔✔ - dairy cattle 10.excess handling, inadequate temperature and humidity, and overcrowd- ing can cause what in reptiles✔✔ stress 11.what is the most common research use for the horse model✔✔ serum production 12.what is called when a chinchilla releases some of its fur if attacked or frightened✔✔ fur slip 13.what are a hob and a jill✔✔ male and female ferrets 14.most reptiles used in research are obtained from what source✔✔ wild- caught 15.what is the most common research use of the woodchuck model✔✔ hepati- tis research 16.what is the device used in a bird's cage to assist in proper beak mainte- nance called✔✔ cuttle bone 17.what is grit✔✔ dietary additive for birds made of oyster shell and granite 18.the third and fourth metacarpal bones are needed for what purpose in 2 / 4

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a bird✔✔ flight 19.what is a cloaca✔✔ the termination of the reproductive, urinary, and digestive tracts of a bird 20.when releasing small birds, it is better to do so in an enclosed or unob- structed area✔✔ unobstructed in case they take flight immediately 3 / 4

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21.allowing water to sit in an open container serves what purpose in am- phibian colony maintenance✔✔ dechlorinates the water 22.what is the scientific name for the African clawed frog✔✔ Xenopus laevis 23.what is the preferred restraint for Xenopus✔✔ two-handed lift 24.why is amphibian skin particularly sensitive to toxic substances in the water✔✔ amphibian skin is porous to water-borne chemicals 25.when housing amphibians, what environmental variable must remain consistent✔✔ temperature 26.what is the recommended density for housing newly hatched tadpoles?- ✔✔ 50 per liter of water 27.what is the optimal lighting cycle (in hours) for Xenopus oocyte produc- tion✔✔ 14 hours light, 10 hours dark 28.using wet glove when handling amphibians serves what purpose>✔✔ it preserves their protective slime 29.what is neoteny✔✔ a characteristic of salamanders in which they

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