When you have been bitten by a highly venomous snake and received a dose of venom sufficient to kill several people, you do not have a week to build up your own immunity. However, hospitals carry "antivenom" made from injecting horses with small-to-larger dosages of snake venom, and then harvesting the antibodies from the horse plasma. This is a case of

Select one:
a. passive immunity.
b. active immunity.
c. developing an inflammatory response to increase the IgG production.
d. high levels of complement.
e. high levels of interferon.


a. passive immunity.

Biology & Microbiology

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