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89 Cards in this Set

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