After Antigen-Stimulated Production of IgE and Upon Second Exposure to the Antigen

question 1

Multiple Choice

After antigen-stimulated production of IgE and upon second exposure to the antigen, the antigen

• A)forms immune complexes with circulating IgE and then binds to mast cells, and the IgE becomes cross-linked
• B)forms immune complexes with circulating IgA and then binds to mast cells, and the IgE becomes cross-linked
• C)binds to IgE bound to mast cells, and the IgE becomes cross-linked
• D)binds to IgE bound to granulocytes and activates a calcium ion channel

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Definitions:

Depth Perception

The ability to perceive the world in three dimensions and judge the distance of an object.

Convergence

The process or state of converging, in various contexts such as the meeting of two or more lines or paths at a point, or the evolution of similar features in independent species.

Parallel Processing

The ability of the brain to simultaneously process incoming stimuli of differing quality, a key feature of neural network functioning.

Continuity

Refers to the unbroken and consistent existence or operation of something over a period of time.