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89 Cards in this Set
- Front
- Back
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Any substance capable of inducing a specific immune response
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Antigen
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Minute Aquatic arthropods
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Copepod
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Inflammationof the intestine
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Enteritis
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Free swimming Larva
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Coracidium
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Larval form of tapeworm
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Cystercerci
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6 Hooked larva of a tapeworm
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Oncosphere
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Worm-like completed larval stage of a tapeworm
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Plerocercoid
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Attachment organ
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Scolex
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Fish Tapeworm
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Diphyllobothriasis latum
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Longest and largest human parasite
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Fish Tapeworm
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Length of the fish tapeworm
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3-10 meters
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Shape of the tapeworm that causes Diphyllobothriasis
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Almond shape
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Reservoir of Diphyllobothriasis
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Humans and fish eating animals such as dogs and bears
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Occurence of the fish tapeworm
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Northern hemisphere
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In the Life cycle of Diphyllobothriasis after the egg hatches in the water, what is released?
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coracidium
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In the Life cycle of Diphyllobothriasis what eats the coracidium?
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Copepod of the genus cyclops of diaptomus
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In the life Cycle of Diphyllobothriasis the coracidium develops into what inside of the copepod?
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Procercoid larvae
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In the life cycle Diphyllobothriasis in what developmental stage is the tapeworm when it is eaten by the fish?
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Procercoid larvae
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What is the infective stage of the fish tape worm?
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Plerocercoid
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How long is the egg to egg cycle for Diphyllobothriasis?
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11 weeks
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In the Diphyllobothriasis Life cycle, where do plerocercoid grow into adult tapeworms?
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In the intestinal lining of adults
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What is the mode of transmission for the fish tapeworm?
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Eating freshwater fish that is raw or partially cooked
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What are the signs and symptoms of diphyllobothriasis?
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nervous disturbances and digestive disorder
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Vitamin B12 deficiency is a sign and symptom of which tapeworm?
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Fish tapworm
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What is the incubation period of of diphyllobothriasis?
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3-6 weeks from ingestion to eggs appearing in feces
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What is a method of control for Diphyllbothriasis?
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Cook fish to 133 degrees farenheit for 5 minutes
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What is the treatment of choice for the fish tapeworm?
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Praziquantel (biltricide)
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What is the infection agent for the beef tapeworm?
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taenia saginata
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How long is the adult beef tape worm?
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4-6 meters long
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What is the shape of the taenia sagninata attachment organ?
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pyriform or pear shape
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What is the Definitive Host for the beef tapeworm?
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Humans
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What is the intermediate host for the beef tapeworm?
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Cattle
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What do humans ingest in undercooked beef?
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cysticerci
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What do cysticerci attach to that enables them to mature into adults?
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Jejunum
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What life stage of the beef tapeworm exits through the anus or in fecal matter?
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Proglottids?
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What is expelled by proglottids upon exit through the anus or in feces?
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Milky white fluid of eggs
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What is the mode of transmission for Taenia saginata?
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Humans eat raw or partially cooked beef
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What is the incubation period for the beef tapeworm?
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10-14 weeks then eggs will appear in stool
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For the beef tapeworm, how long are eggs released into the environment?
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30 years
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What is the infectious agent for the pork tapeworm?
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Taenia solium
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How do you control the beef tapeworm?
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Freeze beef at 23 degrees for > 4 days
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What medication would you use to treat a person with beef tapeworm?
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Praziquantel (biltricide)
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How long is an adult pork tapeworm?
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2-4 meters
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A pork tapeworm has a scolex of what shape?
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Globular
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What is the definitive host for the pork tapeworm?
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Humans
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What is the intermediate host for Taenia solium?
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Pigs
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How do humans get pork tapeworms?
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By eating raw or partially cooked pork
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Terminal proglottids separate into how many segments?
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5-6 segments
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How long after inital infection of Taenia solium will eggs appear in the stool?
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8-12 weeks
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How long are pork tapeworm eggs released into the environment?
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Up to 30 years
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How would one control the spread of the pork tapework?
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Freeze pork to 23 degrees for > 4 days
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What is the treatment of choice for the pork tapeworm?
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Praziquantel (Biltricide)
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What is the infectious agent of Cysticercosis?
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Taenia solium
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What life cycle of the tapeworm do humans ingest to acquire cysticercosis?
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Proglottids and eggs of T. solium
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What body parts are effected by cysticercosis?
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Striated muscles, vital organs, and SQ tissue
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What are signs and symptoms of Somatic Cysticercosis?
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Epileptic Seizures and Psychiatric Disturbances
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What medication is used to treat Cysticercosis?
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Praziquantel
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What is used to control cerebral edema caused by dying cysts?
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Corticosteroids
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What is the infectious agent of the dwarf tapeworm?
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Hymenolepis nana
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What is the infectious agent of the rat tapeworm?
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Hymenolepis dimiuta
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What is the shape of the attachment organ of the dwarf tapeworm?
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Globular
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What is the shape of the attachment organ of the rat tapeworm?
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Club-shaped
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Which tapeworm has mealworms/beetles/larval fleas as Intermediate Host?
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Hymenolepis nana
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Which tapeworm has grain beetles/larval fleas/cockroaches as Intermediate Host?
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Hymenolepis diminuta
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What is the definitive host of the dwarf tapeworm?
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Humans possibly mice
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What is the definitive host for Hymenolepis diminuta?
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Rodents
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What are accidental host of the rat tapeworm?
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Humans, most often children
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Eggs hatch in the inestine, freeing the oncosphere is a stage in the life cycle of which tapeworm?
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H. nana
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In Hymenolepis diminuta, how long does human infection with the tapeworm last?
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5-7 weeks
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Hows does a person get H. nana?
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By ingesting eggs in contaminated water, fecal oral, autoinfection
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What is the incubation period for Hymenolepiasis?
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2 weeks
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What is the treatment for Hymenolepiasis?
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Praziquantel (Biltricide)
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What is another name for Cystic Hydatid disease?
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Echinicoccosis granulosus
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What is the smallest tapeworm of medical importance?
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E. granulosus
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What is the shape of the scolex of a E. granulosus tapeworm?
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globular
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What is the the most common species Echinococcus?
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E. granulosus
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In E. granulosus, where do most larvae travel?
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Most larvae travel to the liver
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Where is one place that E. granulosus is not found?
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Antartica
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What is the incubation period for Echinococcus?
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12 months to several years
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How long can infected dogs pass eggs after infection?
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7 weeks
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What are the definitive host for E. multilocularis?
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Foxes, dogs, cats
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What are the intermediate hosts for E. multilocularis?
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rodents
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Where does E. multilocularis usually occur?
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Northerm Hemisphere
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What does E. multilocularis usually infect?
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Humans
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What is E. multilocularis of confused with?
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Hepatic cirrhosis and carcinoma
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What medication would you use to treat a person with E. multilocularis?
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Vermox (mebendazole)/Zentel(albendazole)
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What is also known as polycystic hydatid disease?
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E. vogelli
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What is the definitive host of polycystic hydatid disease?
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bush dog
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What are the intermediate host of E vogelli?
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agouti, paca, spiny rats
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