Which Event Occurs with the Sensitizing Dose of Allergen

question 71

Multiple Choice

Which event occurs with the sensitizing dose of allergen?

• A)degranulation
• B)bonding 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 acts on smooth muscle
• E)prostaglandins cause vasodilation and increased vascular permeability

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