What Will Be the Immediate Action of an Allergen When

question 23

Multiple Choice

What will be the immediate action of an allergen when it enters the body for a second time?

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

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Definitions:

Demand Curve

A graph showing the relationship between a product's price and the quantity demanded by consumers, typically downward-sloping.

Tax Revenue

The resources governments collect by imposing taxes.

Total Surplus

The combined total of consumer plus producer surplus, which indicates the overall advantage to society from manufacturing and using goods and services.

Government Imposes

The act of establishing regulations, taxes, or policies by a governing body that affect individuals, businesses, or markets.