Which One of the Following Is NOT a Mechanism of T

question 4

Multiple Choice

Which one of the following is NOT a mechanism of T cell tolerance?

• A)Inhibition of T cell activation by interleukin-12 from regulatory T cells.
• B)Apoptosis induced by Fas ligand binding to Fas.
• C)Anergy induced by B7-1 or B7-2 binding to CTLA-4.
• D)Anergy induced by peptide-major histocompatibility complex (MHC)binding to T cell receptors (TCRs)without B7-1 or B7-2 binding to CD28.
• E)TCR-mediated up-regulation of Bim or similar pro-apoptotic proteins.

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Definitions:

Social Comparisons

The process by which individuals evaluate their own abilities, achievements, and conditions in relation to others.

Therapeutic

Pertaining to the treatment of disease or disorders, aimed at healing.

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that describes the body's short-term and long-term reactions to stress.

Allergic Reaction

An immune system response to a foreign substance that is not typically harmful to the body, such as pollen or certain foods.