PATHOLOGY MCQ
LYMPHO RETICULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why do cells put MHC’s on their cell membranes?
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MHC’s identify them for destruction.
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MHC’s determines which antigens the cells will fight.
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MHC’s identify abnormal cells.
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All of These
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Explanation:
Detailed explanation-1: -Classical MHC class I molecules are ubiquitously expressed on all mammalian cells including cells of epithelial origin while MHC class II molecules are selectively expressed on antigen-presenting cells (APC) including dendritic cells (DC), macrophages, and B cells.
Detailed explanation-2: -MHC class I molecules are one of two primary classes of major histocompatibility complex (MHC) molecules (the other being MHC class II) and are found on the cell surface of all nucleated cells in the bodies of vertebrates. They also occur on platelets, but not on red blood cells.
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