Which Event Occurs with the Sensitizing Dose of Allergen

question 33

Multiple Choice

Which event occurs with the sensitizing dose of allergen?

• A) Degranulation
• B) Binding of allergen to adjacent IgE binding sites on mast cells and basophils
• C) Binding of IgE by the Fc region to mast cells and basophils
• D) Histamine acting on smooth muscle
• E) Prostaglandins causing vasodilation and increased vascular permeability

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