OVERVIEW OF THE IMMUNE SYSTEM
IMMUNITY INNATE AND ADAPTIVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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T cells
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B Cells
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Either A or B
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None of the above
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Detailed explanation-1: -B lymphocytes mature in the bone marrow whereas T lymphocytes are produced in the bone marrow but mature in the thymus gland. Both the lymphocytes recognize and destroy any pathogen that enters the bloodstream.
Detailed explanation-2: -A type of white blood cell that makes antibodies. B cells are part of the immune system and develop from stem cells in the bone marrow. Also called B lymphocyte.
Detailed explanation-3: -Both B and T lymphocytes originate in the bone marrow but only B lymphocytes mature there; T lymphocytes migrate to the thymus to undergo their maturation.
Detailed explanation-4: -When a naïve or memory B cell is activated by an antigen, it proliferates and differentiates into an antibody-secreting effector cell, known as a plasmablast or plasma cell.
Detailed explanation-5: -Plasma cells: Plasma cells release antibodies in response to antigens. Once a B-cell becomes a mature plasma cell, it can release up to 2, 000 antibodies per second. Plasma cells are also called plasmacytes or effector cells.