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parasit 9
exam 9
| Question | Answer |
|---|---|
| general tape worm lifecycle | obligate indirect. |
| how are Clclophyllidian tape worms distinguished | "rostellum" at apex end of scolex |
| distinguishing characteristics of Taeniid tapeworms | 1.scolex w/ hooked rostellum and 4 suckers |
| Taeniid tapeworms infective stage | Metacestode |
| cystricercus | single bladder, 1 scolex |
| strobilocercus | cycsticercus that has begun to elongate and segment |
| coenurus | single bladder, many scolices |
| hydatid | special cyst w/ 1000's of scolices |
| cysticercosis | disease resulting from encysted metacestode stage in IH |
| Taenia pisiformis common name | Dog tapeworm |
| do tape worms generally have clinical signs | no |
| Taenia pisiformis treatment | 1. praziquantel. episprantel 2.fenbendazole |
| are macrocyclic lactones effective in treating tape worms? | No, b/c dont have GABA receptors |
| Taenia taeniaformis common name | feline tapeworm |
| Dipylidium caninum common name | Flea tapeworm |
| Dipylidium caninum attachment point | small intestine of cats, dog, people |
| Dipylidium caninum sp. infect | dog, cat |
| Dipylidium caninum IH | Fleas and lice |
| Dipylidium caninum acquired to IH by | ingesting egg packets |
| Dipylidium caninum acquired to DH by | ingesting metacestode stage in IH |
| E.granulosus sp infect | dog |
| E.granulosus IH | human, cattle, sheep, goat, horse, camel, deer, pig. Hydated disease |
| E. multicularis common name | Alveolar Hydatid tapeworm |
| E. multicularis IH | Mice, deer, caribou, elk |
| E. multicularis disease in IH | Alveolar (multolocular) hydatid cyst |
| pulmonary hydatid disease zoonotically acquired via what tapeworms | 1.E. granulosus 2.E.multiloccularis |
| pulmonary hydatid disease cysts form where in body | liver and lungs. hematogeneous dissemination from hepatic lesions |
| pulmonary hydatid disease symptoms | cough, dyspnea, chest pain |
| pulmonary hydatid disease treatment | surgical |
| how are mesocestoides tape worms distinguished | proglottids w/ central genital pore (parauterine organ) |
| mesocestoides IH | arthropod. needs 2 IH |
| Where does mesocestoides metacestode develop | in 2nd IH |
| mesocestoides DH | dogs/cat |
| mesocestoides clinical signs | Ascites, dysorexia, vommiting, tachypena |
| mesocestoides disease results from what | asexual replication of worms in host and invasion of peritoneum. massive worm burden |
| mesocestoides treatment | FBZ. surgical removal of worms |
| Hymenolepididae sp infect | birds, rodents, primates, humans |
| Anoplocephalidea sp. species infect | Horses |
| Monezia sp, species infect | cattle, sheep, goat, camelids |
| Anoplocephalidea IH | "oribatid" mites |
| Anoplocephala perfoliata clinical signs | colic. intussusception and rupture of bowel wall |
| Anoplocephala perfoliata treatment | Pyrantel, praziquantel |
| Monezia treatment | Fenbendazole, praziquantel |
| Human Taeniasis acquired via | consume poorly cooked beef or pork w/ larvae |
| T.solium causes what disease | Neurocysticercosis |
| T.solium acquired via | accidental ingestion of pork tapeworm eggs. poor hygiene. |
| T.solium humans become infected w/ what stage | mestacestode encysting in brain and CNS |
| T.solium clinical signs | epilepsy, neurologic disease |
| diagnosis of Neurocysticercosis | MRI or CAT scan. potentially detect in serum or CSF |
| Psrudophyllidean cestodes diagnostic characteristics | specialized holdfast. "Bothria" |
| Diphyllobothrium latum IH | aquatic. 2 IH. copepod and Fish |
| Diphyllobothrium latum sp infect | endothermic vert that eat fish |
| Diphyllobothrium latum disease association | B12 iron deficiency anemia |
| Diphyllobothrium latum common name | broad fish tapeworm |
| Diphyllobothrium latum treatment | praziquantel |
| Adenocephalus pacificus IH | aquatic. 2 IH. larval stage multiples asexually in 2nd IH |
| Diphyllobothrium latum dh | cat/dog |
| Paragonimus kellicoti common name | lung fluke |
| Paragonimus kellicoti DH | Cat, dog, people |
| Paragonimus kellicoti acquired via | ingestion of uncooked or poorly cooked crayfish |
| Paragonimus kellicoti clinical signs | respiratory disease. Dyspnea, Hemoptysis, pneumothorax |
| Nanophyetus salmicola common name | salmon poisoning fluke |
| Nanophyetus salmicola DH | Dog, cat, fish eating mammals |
| Nanophyetus salmicola IH | Snail, salmonid fish |
| Nanophyetus salmicola infection acquired via | ingestion of metacercaria in kidneys, muscles, and fins of raw salmonid fish |
| Nanophyetus salmicola is vector for | 1. Hemorrhagic enteritis 2.lymphadenopathy 3.clinically indistinguishable from canine parvovirus |
| Nanophyetus salmicola treatment | praziquantel |
| Playtnosomum fastosum common name | liver poisoning fluke |
| Playtnosomum fastosum DH | Cats |
| Playtnosomum fastosum IH | Snail, pill bugs, geckos |
| Playtnosomum fastosum migration | metacercaria ingested by cat. migrate up bile duct. |
| Playtnosomum fastosum adults are seen where | in bile duct and gall baldder |
| Playtnosomum fastosum clinical signs | vomiting, diarrhea, icterus |
| Playtnosomum fastosum treatment | praziquantel and FBZ |
| Eurytrema procyonis common name | Racoon Pancreatic fluke |
| Eurytrema procyonis DH | Feline, red/grey fox, raccoon |
| Eurytrema procyonis IH | Mesodon thyroidus, arthropod ? |
| Eurytrema procyonis stage ingested by DH | METACERCARIA |
| Eurytrema procyonis adult worm found where | pancreatic duct |
| Eurytrema procyonis clinical signs | weight loss, vomiting, pancreatitis |
| Eurytrema procyonis treatment | praziquantel, FBZ |
| Alaria IH | snail, tadpole/snake |
| Alaria DH | Cat, dog |
| Alaria unique transmission | lactogenic |
| Fasciola hepatica common name | liver fluke |
| Fasciola hepatica DH | Cattle, sheep, goats |
| Fasciola hepatica acquired via | ingestion of metacercaria encysted on vegitation |
| how does Fasciola hepatica cause liver disease | anemia, hypoproteinemia, bottle jaw, progressive weakness, loss of condition |
| Fasciola hepatica treatment | clorsulon, albensazole |
| Fasciola magna common name | deer liver fluke |
| Fasciola magna DH | White tail deer |
| Fasciola magna is non patent in what sp | cattle, sheep, goat |
| Fasciola magna migration | sig tissue damage. liver cirrhosis. |
| Paramphistomum sp. common name | rumen fluke |
| Paramphistomum sp DH | Cattle, sheep, goat |
| Paramphistomum sp acquired via | ingestion of metacercaria encysted on vegitation |
| Paramphistomum sp adult location | abomasum, non pathogenic |
| Paramphistomum sp immature stages | duodenum and ileum. pathogenic. |
| immature stages of Paramphistomum sp causes | plug feeders, necrosis, hemorrhagic inflam., hypoprotinaemia, diarrhea, dehydration |
| Dicrocoelium dendriticum common name | Lancet liver fluke |
| Dicrocoelium dendriticum DH | Cattle, sheep, goat, pig, wild ungulates, rodent, rabbit |
| Dicrocoelium dendriticum IH | Snail, ants |
| snails and Dicrocoelium dendriticum | miracida hatch when ingested. asexual repro, emerge in smile bile |
| ant and Dicrocoelium dendriticum | ingested, infect brain, remain attached to vegetation |
| Dicrocoelium dendriticum invade what organ system | liver and bile ducts |
Created by:
ejohnson17
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