The Cellular Distribution of MHC Class I Versus MHC Class

question 20

Multiple Choice

The cellular distribution of MHC class I versus MHC class II molecules is quite different, with MHC class II molecules generally expressed on a very limited set of cell types. This is because:

• A) It would be detrimental to have CD8 T cells killing macrophages or B cells.
• B) CD4 T cells generally secrete cytokines that act on macrophages and B cells.
• C) Viruses generally do not infect and replicate in macrophages and B cells.
• D) Dendritic cells are more important in stimulating CD4 than CD8 T cell responses.
• E) CD4 T cells can only kill macrophages, dendritic cells, and B cells.

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Definitions:

Subcontracting

The practice of assigning or outsourcing part of the obligations and tasks under a contract to another party known as a subcontractor.

Stockouts

Instances when items are not available for sale due to insufficient stock.

Aggregate Planning

A production planning method that determines the necessary resources to meet projected demand over a future period, typically medium-term.

Subcontracting

The process of assigning or outsourcing part of the obligations and tasks of a contract to another party, usually to specialize in that aspect of the work.