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10 Cards in this Set
- Front
- Back
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Which tapeworm is obtained by ingestion of fleas?
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Diplidium canium
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Which tapeworm is obtained by ingestion of infected rodents,rabbits and wild game?
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Taenia pisiformis, Mulitceps multiceps.
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When might the fecal exam be negative in an animal that is indeed infected with a parasite?
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When the parasite is not shedding oocytes, eggs or is in a certain life cycle.
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List the proper collection and submission of a fecal sample for small and large animals
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. Feces should be as fresh as possible. If delayed then refrigerated or mix with a small amount of formalin. Small aninmals about ¼ teaspoon minimum placed in bag or container. May be obtained via glove, but loop is only enough for direct exam. Large animal: rectally or from several pooled samples.
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Why should fecal samples be fresh?
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Eggs, oocytes andother life stages may be altered by development making diagnosis difficult.
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List the rules when dealing with fecal samples
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Approriate clothing is worn (lab coats, gloves, area cleaned after fecal s are complete, accurate records maintained.
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Why should you take such great care in the lab with regards to human exposure?
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Feces may contain zoonotic parasite, bacteria or viruses.
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List the characteristics of a fecal sample that should be recorded
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Color, consistency, blood, mucus, parasites.
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What are the advantages and disadvantages of a direct smear?
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Advantages: short prep time and minimal equipment needed detects motile protozoa, disadvantages: small sample may not detect light burden and fecal debris may be misidentified.
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1What fluid is best used to mix with the feces when preparing a direct smear?
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Saline or water
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