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5 Written questions

5 Matching questions

  1. Paragonimus kellicotti - similar to x, and is a form of x - where is it located?
  2. Pathology and Symptoms of P. westermani
  3. Does not require aquatic habitat to complete life cycle
  4. Paragonimus westermani - 1. acetabulum 2. sex 3. morphology 4. tegument 5. reproductive system
  5. Geographic distribution of Paragonimus westermani
  1. a Migration 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.
  2. b Asia, Africa, Central and South America. About 20 million people infected. Habitat is swift flowing streams and snail habitats.
  3. c similar to P. westermani, form of lung fluke. In US, fun research saying that they had alcohol and ate weird **** and got this parasite.
  4. d 1. distome 2. monoecious but prefers cross fertilization 3. Adults look like coffee beans and are unusually thick 4. Tegument covered in spines 5. reproductive system - ovaries left of midline, vitelline follicles at lateral ends.
  5. e D. dendriticum

5 Multiple choice questions

  1. 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.
  2. 1. distome 2. pointed ends 3. Testes are anterior to ovary. Prominent uterus, 4. Operculated egg 5. Vittelline glands occupy the middle third of the organism.
  3. 2. 1ST I.H. = Snail. 2nd = Ant
  4. 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
  5. P. westermani

5 True/False questions

  1. Pickling does not killP. westermani.


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


  3. How do humans usually get infected with P. westermani?By eating raw or undercooked crab with metacercariae.


  4. Common name for D. dendriticum - why?Lancet fluke, pointed body


  5. How to diagnose D. dendriticum? Treatment? Control?because we don't eat infected ants on grass.