What Initiates T Cell Activation

question 58

Multiple Choice

What initiates T cell activation?

• A) T cell activation begins when the T cell differentiates into effector cells and memory cells.
• B) T cell activation begins with a cell processing and displaying antigen fragments on its MHC molecules.
• C) T cell activation begins with the interaction of the T cell with other molecules on the cells called co ^-stimulators.
• D) T cell activation begins when a T cell is ingested by a macrophage.

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Definitions:

Insurance Co-pays

Insurance co-pays are fixed amounts that a policyholder must pay out-of-pocket for a covered healthcare service, with the insurance company covering the remaining costs.

Deductibles

The amount paid out of pocket by the policyholder before an insurance policy begins to cover expenses.

Consumer Surplus

The difference between the maximum price a consumer is (or consumers are) willing to pay for an additional unit of a product and its market price; the triangular area below the demand curve and above the market price.

Willing To Pay

The maximum amount an individual is prepared to spend to purchase a good or service or to avoid something undesirable.