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True or False: Diphyllobothrium latum eggs are operculated and unembryonated.
True.
Fill in the blank: The is the muscular organ responsible for attachment of cestodes.
Scolex.
Identify the cestode with a rosette-shaped uterus.
Diphyllobothrium latum.
True or False: Hymenolepis nana may not require an intermediate host.
True.
What is the infective stage of Taenia solium to humans?
Cysticercus cellulosae larvae
Fill in the blank: is the term for detachment of gravid proglottids containing mature eggs.
Apolysis.
Identify the only cestode with bilateral genital pores.
Dipylidium caninum.
True or False: All female cestodes are oviparous.
True.
What cestode causes cystic echinococcosis or hydatid disease in humans?
Echinococcus granulosus.
Fill in the blank: is the common name for Hymenolepis nana.
Dwarf tapeworm.
What is the infective stage of Dipylidium caninum?
Cysticercoid larvae in flea.
Identify the larval form of Multiceps multiceps that contains multiple scolices.
Coenurus.
True or False: Autoinfection is possible in Hymenolepis nana.
True.
What cestode infection resembles carcinoma due to its aggressive cystic invasion of the liver?
Echinococcus multilocularis.
Fill in the blank: is the term for proglottids that do not overlap.
Acraspedote.
True or False: Taenia saginata and Taenia solium eggs are morphologically indistinguishable.
True.
Identify the definitive host of Echinococcus granulosus.
Dogs.
Fill in the blank: The larval form of Echinococcus is responsible for hydatid cysts in humans.
Hydatid cyst (Cysticercus).
What tapeworm has a scolex with four suckers and a rostellum with hooks?
Taenia solium.
True or False: Diphyllobothrium latum infection is associated with vitamin B12 deficiency.
True.
Fill in the blank: The is the smallest tapeworm capable of autoinfection.
Hymenolepis nana.
Identify the cestode that uses fleas as intermediate hosts.
Dipylidium caninum.
True or False: Gravid proglottids of Taenia saginata are motile and expelled singly.
True.
What cestode infection presents as large cysts in the liver or lungs on imaging?
Echinococcosis.
Fill in the blank: are the intermediate hosts in the life cycle of Diphyllobothrium latum.
Copepods and freshwater fish.
True or False: All cestodes lack a digestive tract.
True.
Fill in the blank: The is the head-like structure that anchors cestodes to the intestinal wall.
Scolex.
Identify the cestode known for causing neurocysticercosis.
Taenia solium.
What larval form is found in hydatid cysts of Echinococcus granulosus?
Protoscolices.
True or False: Cysticercosis is caused by ingestion of Taenia solium eggs.
True.
Fill in the blank: The larval stage of Diphyllobothrium latum infects humans via fish.
Plerocercoid.
What tapeworm produces operculated eggs similar to trematodes?
Diphyllobothrium latum.
True or False: Gravid proglottids of Taenia saginata are motile.
True.
Fill in the blank: is the drug of choice for most cestode infections.
Praziquantel.
Identify the common name for Dipylidium caninum.
Double-pored tapeworm.
What cestode egg is immediately infective upon release?
Hymenolepis nana.
True or False: Autoinfection can occur in Hymenolepis diminuta.
False.
Fill in the blank: Cystic echinococcosis is caused by .
Echinococcus granulosus.
What structure in cestodes is responsible for egg production?
Gravid proglottids.
True or False: Proglottids can be passed in stool independently of the whole worm.
True.
Fill in the blank: The larval form of Taenia saginata is called .
Cysticercus bovis.
Identify the cestode that may cause megaloblastic anemia.
Diphyllobothrium latum.
What is the intermediate host of Taenia solium?
Pig.
True or False: Diphyllobothrium latum can reach over 10 meters in length.
True.
Fill in the blank: larval form is found in infected beetles and ingested by rodents.
Cysticercoid.
What cestode is transmitted by ingestion of infected dog feces?
Echinococcus granulosus.
True or False: Hydatid cysts can rupture and cause anaphylactic shock.
True.
Identify the tapeworm that uses insects like fleas as intermediate hosts.
Dipylidium caninum.
Fill in the blank: is the longest human tapeworm.
Diphyllobothrium latum.
What cestode causes multilocular echinococcosis?
Echinococcus multilocularis.
True or False: Coenurus contains multiple protoscolices in a single cyst.
True.
Fill in the blank: The is the reproductive segment in a cestode.
Proglottid.
What test is used to detect antigens in hydatid disease?
ELISA.
True or False: Taenia eggs are round with radial striations.
True.
Fill in the blank: is the form of Echinococcus found in humans.
Hydatid cyst.
What species causes polycystic echinococcosis?
Echinococcus vogeli.
True or False: Cestodes are hermaphroditic organisms.
True.
Identify the cestode egg that is bile-stained with striated embryophore.
Taenia spp.
Fill in the blank: eggs are operculated and resemble trematode eggs.
Diphyllobothrium latum.
What larval form is flat and leaf-shaped in Diphyllobothrium’s intermediate stage?
Procercoid.
True or False: Human echinococcosis is a dead-end infection.
True.
Fill in the blank: The smallest tapeworm infecting humans is .
Hymenolepis nana.
What cestode has up to 20 lateral uterine branches in its proglottid?
Taenia solium.
True or False: Protoscolex can develop into an adult worm if ingested.
True.
Fill in the blank: The tapeworm is transmitted via arthropod intermediate hosts.
Hymenolepis diminuta.
Identify the tapeworm with rostellum bearing hooks and four suckers.
Taenia solium.
What cestode has bilateral genital pores in each segment?
Dipylidium caninum.
Fill in the blank: shows pseudosegmented appearance and hooked proboscis.
Moniliformis moniliformis.
True or False: Acanthocephalans are thorny-headed worms often confused with tapeworms.
True.
Fill in the blank: In the life cycle of Diphyllobothrium, the first host is a .
Copepod.
Identify the infection acquired by eating raw or undercooked freshwater fish.
Diphyllobothriasis.
True or False: All cestodes require at least one intermediate host.
False.
Fill in the blank: can produce visible cysts in the liver seen on imaging.
Echinococcus spp.
What cestode has a rostellum but no hooks?
Taenia saginata.
True or False: Ingestion of undercooked pork can lead to both taeniasis and cysticercosis.
True.