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Microbiology
A 25-year-old man is exposed to Ascaris but does not develop clinical signs of infection. Which of the following mechanisms is likely to be responsible for his resistance to infection?
Antibody mediated destruction of worm infected host cells
CTL induced apoptosis of worm infected host cells
Complement mediated lysis of worm attached to host tissues
IgE mediated type I hypersensitivity disrupting worm attachment
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