Which of the Following Statements About Induction or Maintenance of T

question 4

Multiple Choice

Which of the following statements about induction or maintenance of T cell tolerance is NOT true?

• A)Central tolerance is induced when immature developing T cells in bone marrow or thymus encounter self antigens.
• B)Peripheral T cell tolerance results when mature naive T cells recognize antigens without adequate B7-1- or B7-2-mediated costimulation.
• C)Peripheral T cell tolerance results when T cells recognize antigen in the setting of an innate immune response to the antigen.
• D)Peripheral T cell tolerance to some antigens is induced when mature T cells recognize antigen and bind B7-1 or B7-2 via the inhibitory CTLA-4 receptor.
• E)Peripheral T cell tolerance to an antigen may be induced by persistent and repeated stimulation of lymphocytes by that antigen in tissues.

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Definitions:

Right Hemisphere

The right side of the brain, responsible for spatial abilities, facial recognition, and processing music and art.

Extinction

In psychology, the process by which a conditioned response decreases in frequency and eventually disappears as a result of the conditioned stimulus being presented without reinforcement.

Visual Field

Region of the visual world seen by the eyes.

Ventral Stream

The pathway in the brain that processes visual information related to object recognition and form representation, part of the visual system.