What Will Be the Immediate Action of an Allergen When

question 47

Multiple Choice

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

• 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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Definitions:

Logarithm

The exponent or power to which a base must be raised to produce a given number, commonly used in the operations of multiplication and division in a compressed form.

Change-of-Base Formula

A formula that allows the base of a logarithm to be changed, facilitating easier calculation.

Properties of Logarithms

The properties of logarithms are mathematical rules that apply to logarithmic functions, including product, quotient, and power rules.

Logarithm

The power to which a base, such as 10, must be raised to produce a given number. Expressed as \(log_{base}(number) = exponent\).