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Review Issue 03 - Hepatic Parasitic Tracts by Rick Last
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Which gross pathological feature in the liver enables distinction of liver flukefrom other parasites migrating through the liver?
A. Hemorrhagic hepatic tracts.
B. Presence of concurrent peritonitis.
C. Presence of hepatic abscesses.
D. Presence of mineralized hepatic abscesses.
E. Markedly thickened bile duct walls with dilation of bile ducts.
Clear selection
Which of the following ancillary laboratory diagnostic tests would not beconsidered useful for the detection or exclusion of Fasciola hepatica?
A. Faecal smears.
B. Worm egg counts.
C. Faecal Egg sedimentation.
D. Faecal coproantigen Elisa.
E. Histopathology of the liver.
Clear selection
Which of the following snail species is the intermediate host for Fasciolahepatica?
A. Helix spp.
B. Bulinus spp
C. Lymnaea spp.
D. Littorina spp
E. Halitosus spp.
Clear selection
How many days post infection have most Fasciola hepatica larvae penetratedthe liver?
A. 2 to 4 days.
B. 4 to 6 days.
C. 6 to 8 days.
D. 8 to 10 days.
E. 10 to 12 days.
Clear selection
Which of the following syndromes has only been associated with acutefascioliasis?
A. Anemia.
B. Ill thrift.
C. Jaundice.
D. Sudden death.
E. Ascites.
Clear selection
Although not found in all cases, which of the following hepatic histopathologylesions would be considered strong supporting evidence of liver fluke?
A. Dense portal inflammatory cell infiltrates dominated by eosinophils.
B. The presence of hemosiderin engorged macrophages in portal tracts.
C. Presence of black iron porphyrin pigment in section.
D. Severe cholestasis.
E. Proliferation of bile ducts.
Clear selection
Which is the most critical factor determining the severity of the hepatic pathologyof liver fluke?
A. Age.
B. Season.
C. Rainfall.
D. Density of the snail population.
E. Number of metacercaria ingested.
Clear selection
Which of the following animals is not a definitive host of Taenia hydatigina?
A. Domestic dog.
B. Goat.
C. Jackal.
D. Lynx.
E. Cat.
Clear selection
At which anatomical location are larvae a of Cysticercus tenuicolis mostcommonly found?
A. Omentum.
B. Mesentery.
C. Peritoneum.
D. Liver.
E. Pleura.
Clear selection
Which of the following species does not act as a intermediate host for Taeniahydatigina?
A. Equine.
B. Ovine.
C. Caprine.
D. Bovine.
E. Porcine.
Clear selection
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