PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A cells
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T cells
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E cells
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B cells
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Detailed explanation-1: -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.
Detailed explanation-2: -A type of white blood cell. T cells are part of the immune system and develop from stem cells in the bone marrow. They help protect the body from infection and may help fight cancer. Also called T lymphocyte and thymocyte.
Detailed explanation-3: -Phagocytic Cells Seek, Engulf, and Destroy Pathogens. Activated Macrophages Recruit Additional Phagocytic Cells to Sites of Infection.
Detailed explanation-4: -These cells get their name from “cyto, ‘’ which means cell, and “toxic, ‘’ which means poisonous or harmful. Cytotoxic T-cells kill cells infected with viruses and bacteria, and they also destroy tumor cells.