CD4⁺ T Cells Become Helper T Cells in Response to

question 24

Multiple Choice

CD4⁺ T cells become helper T cells in response to

• A)exposure to antigen.
• B)exposure to MHC class II peptide.
• C)exposure to any MHC peptide.
• D)exposure to MZ B cells.
• E)exposure to TNF- ?

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Definitions:

Long Run

A period in economics where all inputs can be adjusted, and companies can change all factors of production.

Phillips Curve

An economic model suggesting an inverse relationship between rates of unemployment and corresponding rates of inflation.

Unemployment Rate

The percentage of the labor force that is jobless and actively seeking employment within an economy.

Long-run Phillips Curve

A graphical representation showing the relationship between inflation and unemployment when inflation expectations are fully adjusted to actual inflation.