The method which helps in developing immunity against bacteria is:
Correct answer: C. Vaccination
- A. Radiotherapy
- B. Chemotherapy
- C. Vaccination
- D. Antibiotics
Explanation
Acquired immunity comes from vaccines and exposure to diseases. These enable the body to develop antigens that can help it fight the same disease a second time.
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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