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Amphibians and Fish
Laboratory Animals and Exotics
| Question | Answer |
|---|---|
| Define amphibian. | organism in the class Amphibia; lives at least part of its life cycle in water. |
| Define arboreal. | pertaining to trees; tree-dwelling |
| Define ectothermic. | refers to species that are unable to generate their own body heat; body temperature is dependent on environmental temperatures. |
| Define swim bladder. | structure used for buoyancy allowing the fish to rise or fall within the water by altering the volume of air in this structure |
| What are the three taxonomic orders of amphibians? | Anurans, Urodela, Apoda |
| Which order of amphibians are the "legless" group? | Apoda or AKA Gymnophiona |
| Which order of amphibians includes newts and salamanders? | Urodela or AKA Caudata |
| Which order of amphibians is the largest group and includes frogs and toads? | Anurans or AKA Salentia |
| What is the unique characteristic of the Axolotls? | it stays looking like a tadpole throughout its adult life |
| Biomedical research is most commonly done on what commonly named amphibians? | African clawed frog, mudpuppies, leopard, meadow, or grass frogs, and salamanders. |
| What is the drug of choice for euthanasia of fish and amphibians? | MS222 |
| How is the drug of choice for euthanasia administered? | intracoelomic |
| The common theme to keeping any exotic pet alive is ............ | good husbandry, nutrition |
| What radiographic views are commonly taken of amphibians and fish? | a minimum of two whole body views |
| What would a cloacal wash be performed for? | to obtain a fecal sample |
| What is the primary venipuncture site used for fish? | caudal tail vein |
| When drawing blood from frogs and toads the easiest vein to access is ............................... | ventral abdominal vein |
| When capturing a fish for a physical exam it should be caught with a net then placed on what? | a wet towel |
| What is the most commonly used fish in biomedical research? | zebrafish |
| Why are zebra fish such a good animal for biomedical research? | Their embryos are almost transparent and so that allows for observation to take place. |
| What organ do fish use for buoyancy? | swim bladder |
| How many chambers are in a fish heart? | two-one atria and one ventricle |
| Where does gas exchange take place in fish? | small blood vessels of the gills |
| The primary organs of respiration in fish are called what? | gills |
| What protects fish from pathogens entering their integument? | mucus coating that is secreted |
| What are the two types of skin glands found in amphibians? | mucous and granular |
| What is the purpose of the mucous skin glands found in amphibians? | keep the skin moist which allows respiration through the skin |
| What is the purpose of the granular skin glands found in amphibians? | to secrete toxins and function primarily for defense |
| What integumentary part protects the muscles? | overlapping scales |
| Why should we tell owners to not use tap water for their amphibian pets? | it contains chlorine and other additives and they can be toxic |
| Most amphibians need a humidity percentage of what degree? | 80% |
| Why do aquatic animals have to have their enclosures cleaned so often? | because of their excreted wastes such as ammonia |
Created by:
spoitevint
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