PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Kill all of the helper T-cells.
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Create antibodies to be produced into the blood stream.
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Destroy cells that have been infected.
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None of the above
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Detailed explanation-1: -Killer T cells are called “cytotoxic” or “cytolytic” because they possess special molecular weapons that enable them to directly attack and destroy other cells displaying targets they recognize, for example, a virus-infected cell or even a cancerous cell.
Detailed explanation-2: -They destroy cells infected with viruses. Another name for cytotoxic T-cells is killer T-cells. Cytotoxic T-cells are one of the three main types of cells developed in your thymus.
Detailed explanation-3: -T cells can detect the presence of an intracellular pathogen because infected cells display on their surface peptide fragments derived from the pathogen’s proteins. These foreign peptides are delivered to the cell surface by specialized host-cell glycoproteins.