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Human Health and Disease
Question
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The treatment of snake-bite by antivenom is an example of

  • artificially acquired active immunity

  • artificially acquired passive immunity

  • naturally acquired passive immunity

  • specific natural immunity.

Answer

B.

artificially acquired passive immunity

Passive immunity may be artificially acquired, particularly when antiserum or antibodies produced by one individual are transfused into a second individual. In all cases, passive immunity represents the passive acquisition of an immune response that was actively acquired by another individual. Passive immunity can last for at most months since antibodies have a finite life span within the body.

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