Antigen and Antibody MCQs

IgA___

January 3, 2022

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IgA___

Q. IgA

A. crosses the placenta

B. is involved in hay fever

C. is present in saliva and milk

D. activates complement by the classical pathway

Answer: is present in saliva and milk

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In which country, the world’s first baby with antibodies against the novel coronavirus is reported to be born?

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