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100 Cards in this Set
- Front
- Back
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Order of Crustaceans
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Decapods
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Any Trematode word
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Fluke
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The Final free swimming larval stage of a Trematode parasite
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Cercariae
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The encysted stage of a Trematode parasite
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Metacercariae
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The 1st larval stage of the Trematode parasite
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Miracidium
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Liver rot is the nickname for what Trematode parasite?
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Fascioliasis
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What is Fascioliasis also known as?
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Sheep Liver Fluke
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What are the identifying charateristics of fascioliasis?
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flat, leaf shaped
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What is the accidental host of Fascioliasis?
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Humans
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What are the reseviors or Fascioliasis?
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Sheep, Cattle and snails of the family Lymnaeidae
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What is the infectious agent for Sheep Liver Fluke?
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Fasciola hepatica
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What is the first intermediate for for Liver rot?
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The snail for the family Lymnaeidae is the 1st intermediate host
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In the life cycle of Fascioliasis, where does there cercariae encyst?
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The cercariae encyst on vegetation
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In the Life cycle of Sheep Liver Fluke, where does the worm reach sexual maturity?
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The worm reaches sexual maturity in the bile ducts
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What is the mode of transmission for liver rot?
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Eating contaminated or uncooked aquatic plants (watercress)
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What are the signs and symptoms of Fascioliasis?
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Heptomegaly, biliary colic, RUQ pain, obstreuctive jaundice
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Heptomegaly, RUQ pan, Biliary colic and obstructive jaundice are s/s of what trematode parasite?
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Fascioliasis
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How would you control Sheep Liver Fluke?
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Drain the land, avoid use of sheep feces for fertilizer, Use molluscicides
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What is the treatment for Liver rot?
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Triclabendazole
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What is Chinese Liver Fluke also known as?
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Clonorchiasis
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What is Oriental Liver Fluke also known as?
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Clonorchiasis
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What is a person with Clonorchiasis infected with?
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Clonorchis sinensis
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Which Trematode is flat, elongated, flabby and grey?
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Clonorchis sinensis
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What is the reservior of Clonorchiasis?
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Humans, dogs, cats, swine
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What is highly endemic in Southeast China
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Chinese Liver Fluke
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In Clonorchiasis, what hatches from the eggs and infects the 1st intermediate host?
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Miracidium
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With the Oriental Liver Fluke, where to Metacercariae excyst?
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In the small intestine of the Definitive Host
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With Clonorchiasis where does the immature worm migrate to?
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The immature worm migrates to the bile duct of the liver
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What is the mode of transmission for Clonorchiasis?
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Eating raw or uncooked infected freshwater fish
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What is the incubation period for Chinese Liver Fluke?
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1 Month
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What is the period of communicability for Clonorchiasis?
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Up to 30 years
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How would you diagnose a person with Oriental Liver Fluke?
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Eggs in feces or Duodenal drainage fluids
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To control the spread of Clonorchiasis, how would you treat freshwater fish?
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Freeze fist at 14 degrees for 5 days or more
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What medication would you use to treat Clonorchiasis?
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Praziquantel (Biltricide)
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What infectious agent causes Fasciolopsiasis?
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Fasciollopsis buski
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What is the largest Trematode of humans?
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Fasciolopsiasis
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What is the reservoir Fasciolopsiasis?
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Humans, Swine, dogs
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Where does Fasciolopsiasis asexually respoduce
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It aseuxally reproduces in the snail producing cercariae
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Where does the sexually mature fasciolopsiasis live?
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The sexually mature adult lives in the host small intestine
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How can I get Fasciolopsiasis?
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Eating uncooking aquatic plants (water chestnuts, water bamboo)
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What affects does Fasciolopsiasis have on the body?
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Infection of the upper small intestine
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What is the incubation period for Fasciolopsiasis?
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3 months
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Patient presents with Ulceration of the intestinal wall, Diarrhea alternating w/ constipation, acute intestinal obstruction and 20 days after infection, edema may appear on face/legs/abdominal walls ould suggest a diagnosis of what trematode parasite?
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Fasciolopsiasis
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How would you diagnose Fasciolopsiasis?
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I.D. flukes or eggs in feces/I.D. worms in vomittus
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How would you control Fasciolopsiasis?
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Treat "Night soil"
Boil water plants Keep swine from water plan gardens Don't feed swine water plants |
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You identity fasciollopsis buski flukes in a patient's vomittus, what medication do you prescribe?
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Praziquantitel?
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Pulmonary distomiasis is another name for what?
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Paragonimiasis
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Lung Fluke disease can also be called what?
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Paragonimiasis
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What is the infectious agent for Paragonimiasis?
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Paragonimus westermani
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How can Pulmonary distomiasis be visually identified?
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By its reddish brown color and spoon shape
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What are the reservoirs for Lung Fluke Disease?
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Humans, Swine, cats and dogs
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With Paragonimiasis, what is the 1st intermediate host?
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Snails
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With Paragonimiasis, after eggs hatch, what is released?
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Miracidium
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With Pulmonary Distomiasis, what do cercariae infest?
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Decapods the 2nd intermediate hosts
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With Pulmonary Distomiasis, where do adult parasites live?
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In the lungs of the hosts
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What is the mode of transmission for Paragonimiasis?
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Eating raw or undercooked infected freshwater crabs/crayfish
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What part of the body does Paragonimiasis infect?
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The lungs
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What is the incubation period for Lung Fluke Disease?
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6-10 weeks
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How long can Paragonimus westermani eggs expelled in feces stay communicable?
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up to 20 years
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What whould you include in your med threat brief to prevent troops from getting Pulmonary distomiasis?
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Thoroughly cook crustaceans and use molluscicides
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What medication would you use to treat a patient diagnosed with Lung Fluke Disease?
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Praziquantel (Biltricide)
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Schistosomiasis can also be called?
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Snail Fever or Bilharzia
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What are the infectious agents for Schistsomiasis?
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S. mansoni, S. japonicum, S. haematobium
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What is unique that can be used to identify the infectious agent for Snail Fever?
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The infectious agent have separate sexes and reside in pairs
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Which Bilharzia infectious agent is found in Africa, Arabian Peninsula, and South Amercian Countries?
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Schistosoma mansoni
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Which infectious agent of Snail Fever can be found in Asian countries?
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Schistosoma japonicum
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Where is the infectious agent Schistosoma haematobium found?
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Africa and Middle East
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In the Life Cycle of Schistosomiasis, after the cercariae leaves the snail, where does it go?
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It penetrates the skin of humans in water
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What is the reservoir of Schistosoma japonicium?
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Dogs, cats and domestic farm animals
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In the Life Cycle of Schistosomiasis, after immature worms enter the bloodstream, where do they travel to?
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They travel to veins near the bladder and intestines
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In the life cycle of Schistosomiasis, where do worms reach sexual maturity?
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Worms reach sexual maturity in the veins near the bladder and intestines
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In the life cycle of Schistosomiasis, which sex produces eggs?
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The female produces eggs
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In the Life cycle of Schistosomiasis, what enters the bladder and intestines and is the only thing that exits the body?
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Schistosoma eggs
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Which infectious agent of Schistosomiasis has an intestinal pathogenicity?
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S. masoni, S. japonicium
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Which infectious agent of Schistosomiasis has a vesical pathogenicity?
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S. haematobium
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From time of cercarial pentration to mature adult is what developmental stage of Schistosomiasis?
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1st Developmental Stage
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Itching and mild rash appear right after exiting the water is what developmental stage of Schistosomiasis?
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1st Developmental Stage
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Heavy infections may have several of- low grade fever?malaise/urticaria is what developmental stage of Schistosomiasis?
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1st Developmental Stage
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2-3 weeks after infection, Katayama fever (chills & fever/bloody dirrhea) is what developmental stage of Schistosomiasis?
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1st Developmental Stage
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Period of active oviposition and egg excretion is what developmental stage of Schistosomiasis?
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2nd Developmental Stage
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Periodic hematuria occurs in what stage of Schistosomiasis?
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2nd Stage
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Painful Urination occurs in what stage of Schistosomiasis?
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2nd Stage
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Period of tissue response to the egg is what stage of Schistosomiasis?
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3rd stage
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Body starts to develop complications based on where the granulomas are occurs in what stage of Schistosomiasis?
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3rd stage
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Heptomegaly occurs in what stage of Schistosomiasis?
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3rd stage
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Genitourinary-lesions and urethral occlusion occurs in what stage of Schistosomiasis?
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3rd stage
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CNS-severe headache/convulsions ocurs in what stage of Schistosomiasis?
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3rd stage
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With Schistosomiasis, for how long can humans excrete eggs?
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Humans can excrete eggs for ever 10 years
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With Schistosomiasis, for how long can snails release cerariae?
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Snails can release cercariae for up to 3 months
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How would you diagnose Schistosomiasis in a patient in which whom you suspect has the parasite?
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Identify eggs in feces, urine or by doing a biopsy
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How do you control Schistosonomiasis?
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Molluscicides
Avoid contact with contact with contaminated water |
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What medication would be prescribed to be patient who has schistosome eggs identified in her urine?
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Pranziquantel (Biltricide)
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What is the incubation period for Bilharzia?
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2-6 weeks
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What is the the infectious agent for Swimmers itch?
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Larvae of certain schistosomesof birds and mammals
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What does Swimmers itch occur?
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Lake regions of the world (Great Lakes/California)
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How is Swimmers itch controlled?
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Avoid swimming in contaminated water; use molluscicides; vigorous washing of all skin after swimming
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What is used to treat Swimmer's itch?
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Antipuritic lotion; Antihistaminic lotion; Antimicrobial drugs to prevent secondary infection
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Hepatomegaly or cirrhosis is the pathogenicity for what parasite?
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Clorochiasis
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Infection of the bile ducts cause irritation is pathogenicity for what parasite?
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Clonorchiasis
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Liver function is impaired, but the SGOT& SGPT are normal is the pathogenicity for what parasite?
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Clonorchiais
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