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parasit 9

exam 9

QuestionAnswer
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