ANATOMY
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is the foot soldier of cell-mediated immunity and has CD8 markers?
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B cells (plasma cells)
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cytotoxic killer T cells
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helper T cells
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natural killer cells
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Explanation:
Detailed explanation-1: -PHILADELPHIA – Immune cells called “killer T cells, ‘’ also known as cytotoxic or cytolytic CD8 T cells, normally stay in the bloodstream and do not enter organs and other tissues, according to a new study from scientists in the Perelman School of Medicine at the University of Pennsylvania.
Detailed explanation-2: -Armed effector cytotoxic CD8 T cells are essential in host defense against pathogens that live in the cytosol, the commonest of which are viruses. These cytotoxic T cells can kill any cell harboring such pathogens by recognizing foreign peptides that are transported to the cell surface bound to MHC class I molecules.
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