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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

Correct Answer:

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