Which is not a mode of action of an antibody?
Correct answer: C. Secreting cytokines
- A. Neutralizing an antigen
- B. Precipitating an antigen
- C. Secreting cytokines
- D. Enhancing phagocytosis
Explanation
Antibody cells do not secrete many cytokines upon activation.
This question appeared on the NUMS 2022 paper, which you can sit online with every answer explained.
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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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