An example of passive acquired immunity is?
Correct answer: D. Both B and C
- A. Use of polio vaccine
- B. Passing of certain antibodies to the foetus by the pregnant women
- C. Inoculation of antitoxin in the case of puncture wound
- D. Both B and C
Explanation
Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.
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Specific defense mechanisms protect the body through antigen recognition by B and T lymphocytes. The topic covers clonal selection, antibody production, plasma and memory cells, cell-mediated responses, helper and cytotoxic T cells, and the difference between primary and secondary immune responses.
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