12.
Which of the following terms is one of the general characteristics of flukes?
a. Polyzoic.
b. Segmented.
c.
Monozoic.
d. None of the above.
13.
Clinical data reveals that __________ produces the most embolic eggs and more
severe lesions in man.
a. Schistosoma japonicum.
b. Avian Schistosoma.
c.
Schistosoma mansoni.
d. Schistosoma haemotobium.
14.
Infections of Schistosoma mansoni are acquired by:
a. Ingestion of the mature egg.
b. Consumption of infected fish.
c.
Active penetration of the cercaria larva.
d. Drinking water containing metacercaria larva.
Second intermediate hosts of the Opisthorchis species are:
15.
a. Pigs.
b. Aquatic plants.
c.
Crabs and crayfish.
d. Fish.
MD0842
3-69
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