If a person is bitten by a highly venomous snake and receives a dose of venom sufficient to kill several people, that person does not have the time to build up his immunity over the next week to neutralize the venom. However, hospitals carry "antivenin" made from injecting horses with small-to-larger dosages of snake venom, and then harvesting the antibodies from the horse plasma. This is an example of
A. passive immunity.
B. receiving high levels of complement.
C. receiving high levels of interferon.
D. developing an inflammatory response to increase the IgG production.
E. active immunity.
Answer: A
Biology & Microbiology
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