Microbiology – MCQ 40 – Parasites causing pulmonary eosinophilia

All can cause pulmonary eosinophilia except-
A. Necator americanus
B. Ankylostoma duodenale
C. Trichinella spiralis
D. Ascaris lumbricoides

Correct answer : C. Trichinella spiralis

Trichnella does not pass through the lungs during its life cycle. The other three pass through the lungs as a part of their life cycle. They cause Löffler’s syndrome – in which eosinophils accumilate in the lungs in response to parasitic infection. Strongyloides can also cause Löffler’s syndrome.

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