_ cells survive for a few days and secrete a huge no. of antibodies in blood, tissue fluids or lymph.
Correct answer: D. Plasma cells
- A. Memory cells
- B. B-lymphocytes
- C. T-lymphocytes
- D. Plasma cells
Explanation
Plasma B cells are cells produced or specialized in the bone marrow. They tend to release significant amounts of antibodies in response to the presence of foreign antigens.
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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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