Which is an example of active immunity?

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(A) Active immunity is developed when an individual's own immune system produces antibodies in response to an antigen (either a pathogen or a vaccine)

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Tetanus injection

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(A) Active immunity is developed when an individual's own immune system produces antibodies in response to an antigen (either a pathogen or a vaccine).In the case of a Tetanus injection (specifically the Tetanus Toxoid vaccine),the body is exposed to an inactivated form of the toxin,which stimulates the immune system to produce its own antibodies and memory cells.Colostrum provides passive immunity (antibodies transferred from mother to child).Injection against snake bites involves the administration of pre-formed antibodies (antivenom),which is an example of passive immunity.Jaundice is a disease condition,not a form of immunity.

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Assertion: Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host.
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Antibodies defend the body from the invading antigen by:

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