Cestodes

Term
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Cestodes are commonly known as
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Terms in this set (48)
Cestodes are commonly known as
Tapeworms
T/F Cestodes are hermaphroditic
True
T/F Cestodes do not have mouths and must absorb their nutrients through their tegument
True
Hymenolepis nana is commonly known as
Dwarf tapeworm
The infective stage of Hymenolepis nana is
Ingestion of eggs
The diagnostic stage of Hymenolepis nana is
Eggs in feces
Hymenolepis nana can have a transport host of
beetles or fleas
A common cestode in the US is
Hymenolepis nana
Hymenolepis nana egg
Image: Hymenolepis nana egg
Taenia saginata is commonly known as
Beef tapeworm
The infectious stage of Taenia saginata isThe larval stage, Cysticercus bovis, found in muscle of undercooked beefThe diagnostic stage of Taenia saginata isEggs or proglottid in fecesThe only definitive host for Taenia isHumansTaenia eggTaenia saginata proglottidThe Taenia saginata proglottid is highlyBranchedTaenia solium is commonly known asPork tapewormThe infective stage of Taenia solium isLarvae, Cysticercus cellulosae, found in undercooked porkThe diagnostic stage of Taenia solium isEggs or proglottid in fecesHumans can serve as the accidental intermediate host for Taenia ifEggs are ingestedT/F If Taenia eggs are ingested, cysticercus bladders can form in brainTrueTaenia solium proglottidTaenia solium proglottis looks likeA fernDiphyllobothrium latum is commonly known asBroadfish tapewormThe infective stage of Diphyllobothrium latum isPlerocercoid larvae in freshwater fish is ingestedThe diagnostic stage of Diphyllobothrium latum isEggs or proglottid in fecesThe major difference between the adult Taenia solium and Taenia saginata isT. saginata has four suckers and no hooks and T. solium has four suckers and hookA human gets Diphyllobothrium latum byEating freshwater fish that consumed a copepod infected with the larvaeDiphyllobothrium latum egg, operculum closedDiphyllobothrium latum egg, operculum openDiphyllobothrium latum proglottidScandinavians and others in the Baltic region are most likely to have which worm?Diphyllobothrium latumEchinococcus granulosus is commonly known asHydatid worm or dog tapewormHumans are the _____ ______ host of Echinococcus granulosusAccidental intermediateThe infectious stage of Echinococcus granulosus isEggs ingested by close contact with dogThe diagnostic stage of Echinococcus granulosus isCysts found in liver or lungsRupture of hydrated cysts can lead toAnaphylactic shockHydatid cystsHydatid disease is most common in regions whereSheep herding is done by dogsHymenolepsis diminuta is commonly known asRat tapewormHumans can become infected with Hymenolepsis diminuta ifIngestion of larvae infected flea or beetle occursDipylidium caninum is commonly known asCat or dog tapewormHumans can become infected with Didylidium caninum ifIngestion of larvae infected cat or dog flea occursPackets of eggs passed in feces is indicative ofDidylidium caninumThe egg of Hymenolepsis diminuta containsHooks but no filamentsHymenolepsis diminuta eggDidylidium caninum eggHydrated cyst