19460357
Question 1
Question
Label the lifecycle of T. solium
Answer
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Ingestion of raw/undercooked pork
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Ingestion of cooked pork
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Adult in small intestine
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Adult in large intestine
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Gravid proglottids passed in feces
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Scolex passed in feces
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Egg
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Metacestode
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Oncosphere hatches, develops cysticercus
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Oncosphere migrates to liver
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Oncosphere migrate to muscle
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Oncosphere hatches in intestine
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Oncosphere forms cysticercus in muscle
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Oncosphere forms coenurus in muscle
Question 2
Question
Which species of Taenia is common in cats?
Answer
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T. taeniaformis
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T. pisiformis
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T. hydatigena
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T. serialis
Question 3
Question
Which 2 species of Taenia are found in humans?
Answer
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T. saginata
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T. solium
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T. taeniaformis
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T. serialis
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T. hydatigena
Question 4
Question
What species of Taenia causes these yellowish lesions in the heart?
Answer
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T. ovis
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T. solium
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T. serialis
Question 5
Question
What species of Taenia causes these lesions in skeletal muscle (and sometimes cardiac)?
Answer
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T. saginata
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T. solium
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T. ovis
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T. pistiformis
Question 6
Question
What species of Taenia causes cysts on the liver in production animals?
Answer
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T. hydatigena
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T. solium
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T. taeniaformis
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T. pistiformis
Question 7
Question
Which species of Taenia has coenurus metacestodes.
Answer
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T. ovis
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T. serialis
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T. solium
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T. hydatigena
Question 8
Question
Cattle acquire [blank_start]T. hydatigena[blank_end] (Cysticercus [blank_start]bovis[blank_end]). Pigs are infected with [blank_start]T. solium[blank_end] (Cysticercus [blank_start]cellulosae[blank_end]). Sheep are infected with [blank_start]T. vis[blank_end] (Cysticercus [blank_start]ovis[blank_end])
Answer
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T. hydatigena
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T. serialis
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bovis
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serialis
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T. solium
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T. pisiformis
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cellulosae
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porcine
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T. ovis
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T. saginata
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ovis
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tenuicollis
Question 9
Question
What are suitable diagnostic tests for detection of Taenia?
Answer
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Fecal flotation
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Segments in feces
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Gross inspection of meat and viscera
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PCR
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ELISA
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Serology
Question 10
Question
What are the 3 steps to break the lifecycle and control infection of Taenia?
Answer
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Treat the animal with praziquantel, fendabendazole, epsiprantel or nitroscanate
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Stop hunting activity of pets
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Prevent carnivore fecal contamination of pasture/feed
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Cull infected animals
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Spray infected areas with cestocides
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Treat animal with ivermectin, abermectin or pyrantel.
Question 11
Question
Label the lifecycle of Echinococcus granulosis
Answer
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Immature scolex attaches to intestine
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Mature scolex attaches to intestine
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Scolex develops into mature strobila
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Scolex develops into immature strobila
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Egg by adult released into intestine
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Egg by juvenile into intestine
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Egg in feces, eaten by intermediate host
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Egg in feces eaten by definitive host
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Egg hatches
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Oncosphere hatches
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Oncosphere penetrates gut wall, migrates
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Egg penetrates gut wall then migrates
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Hydatid cysts form in intermediate host
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Hydatid cysts form in definitive host
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Hydatid cyst ingested
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Cysticercus ingested
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Hydatid cyst digested and scolex release
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Scolex digested and hydatid cyst release
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