Vaccination, in which a weakened or killed pathogen is introduced to provoke immunity, is an example of
Correct answer: A. artificially active immunity
- A. artificially active immunity
- B. artificially passive immunity
- C. naturally passive immunity
- D. innate immunity
Explanation
The body actively responds and makes memory, but the exposure is deliberate and medical rather than natural infection. All four immunity types differ only in whether exposure is natural or artificial and whether the body or a donor supplies the response.
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About Specific Defense Mechanism
Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.
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