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5 Written questions

5 Matching questions

  1. Common name for Paragonimus westermani
  2. Diagnosis of p. westermani - can often be mistaken for, in brain?
  3. Treat P. westermani with
  4. How do humans usually get infected with P. westermani?
  5. D. dendriticum has how many I.H.? What are they
  1. a By eating raw or undercooked crab with metacercariae.
  2. b Praziquantel.
  3. c lung fluke
  4. d 2. 1ST I.H. = Snail. 2nd = Ant
  5. e finds eggs in sputum or feces, biopsy, ELISA, x ray or CT. Can often be mistaken for tuberculosis, pneumonia, spirochaetosis in lungs, or tumors, encephalitis, hydatids in brains.

5 Multiple choice questions

  1. bile duct
  2. P. westermani
  3. Adult in lung, eggs in sputum or swallowed and in feces. 2. eggs hatch to miracidium 3. miracidium in snail to sporocyst to redia to cercaria 4. spined cercaria with knob tails are released to invade 2nd I.H like crab or crayfish. 5. they encyst as metacercaria and 2nd I.h eats them. 6. excyst in duodenum of 2nd IH. 7. Juvenile penetrate the intestine and embed in abdominal wall. 8. we eat the 2ND IH 9. Juvi's reenter coelom, penetrate coelom and migrate to our lungs. 10. They find a mate, and form cyst in lungs. 11. mature into adults
  4. Asia, Africa, Central and South America. About 20 million people infected. Habitat is swift flowing streams and snail habitats.
  5. similar to P. westermani, form of lung fluke. In US, fun research saying that they had alcohol and ate weird **** and got this parasite.

5 True/False questions

  1. Pickling does not killP. westermani.

          

  2. Life cycle of D. dendriticum (probs the only important thing to know about it)F. hepatica -except that there is no trauma to gut wall or liver parenchyma due to juvenile migration. You see a lot of biliary and liver damage -inflammation, fibrosis, hepatic degeneration, cirrhosis, bile duct distention/dysfunction

          

  3. Pathology and Symptoms of P. westermaniMigration of juveniles through coelom to lungs doesn't cause much damage, unless certain special tissues are hit. But once they get into lungs they stimulate an inflammatory response that surrounds the pair in granular tissue - causing ulcers, bleeding, fibrosis. Eggs form granulomas. Symptoms are breathing difficulties, chronic cough, bloody sputum - and if juvis migrate to spinal cord or heart or brain they can cause paralysis, heart attack or death from granulomas.

          

  4. Why is D. dendriticum rare in humanssheep, cattle, goats, pigs

          

  5. Does not require aquatic habitat to complete life cycleAdult in lung, eggs in sputum or swallowed and in feces. 2. eggs hatch to miracidium 3. miracidium in snail to sporocyst to redia to cercaria 4. spined cercaria with knob tails are released to invade 2nd I.H like crab or crayfish. 5. they encyst as metacercaria and 2nd I.h eats them. 6. excyst in duodenum of 2nd IH. 7. Juvenile penetrate the intestine and embed in abdominal wall. 8. we eat the 2ND IH 9. Juvi's reenter coelom, penetrate coelom and migrate to our lungs. 10. They find a mate, and form cyst in lungs. 11. mature into adults

          

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