Introduction of vaccine within the body to produce immunity is an example of____________?
Correct answer: A. Artificially induced active immunity
- A. Artificially induced active immunity
- B. Naturally induced active immunity
- C. Artificially induced passive immunity
- D. Naturally induced passive immunity
Explanation
A vaccine is deliberately introduced into the body and stimulates the person's own lymphocytes to form antibodies and memory cells, so it produces artificially induced active immunity. Students may choose artificially induced passive immunity, but passive immunity involves receiving ready-made antibodies, such as by antiserum.
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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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