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MCQs in Tropical Medicine

Rob Skelly DTM+H FRCP

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Answer 4

Consumption of raw fish or shellfish is associated with infection caused by

True a. Clonorchis sinensis
False b. Ancylostoma duodenale
False c. Schistosoma japonicum
True d. Vibrio parahaemolyticus
False e. Paragonimus westermani

A. duodenale and S. japonicum both gain entry via penetration of intact skin by immature forms.

V. parahaemolyticus is not uncommonly the causative organism in shellfish-associated gastroenteritis.

C. sinensis is the causative organism of oriental liver fluke disease.

P. westermani causes paragonimiasis (lung fluke).

Other infectious diseases associated with shellfish / raw fish include hepatitis A and gnathostomiasis.

Copyright: Rob Skelly 2006