Which of the following is an example of passi | vedclass

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(D) Passive immunity is defined as the immunity acquired when ready-made antibodies are directly given to protect the body against foreign agents.$1$.

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All of the above

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(D) Passive immunity is defined as the immunity acquired when ready-made antibodies are directly given to protect the body against foreign agents.$1$. The transfer of $IgA$ antibodies from mother's milk to the newborn infant is a classic example of natural passive immunity.$2$. The transfer of $IgG$ antibodies from the mother to the fetus through the placenta during pregnancy is also a form of natural passive immunity.$3$. The administration of pre-formed antibodies (e.g.,anti-tetanus serum or anti-venom) directly into the body is an example of artificial passive immunity.Since all these processes involve the transfer of pre-formed antibodies rather than the body producing its own,all of the given options are correct.

Which of the following is an example of passive immunity?

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