What Event Initiates an Adaptive Immune Response

question 39

Multiple Choice

What event initiates an adaptive immune response?

• A)The interaction of a B cell with a T_H cell
• B)The expression of cytokines CD4 or CD8
• C)The production of MHC class I or II molecules
• D)The interaction of a naïve T cell with an antigen-presenting cell
• E)The phagocytosis of a pathogen by a macrophage

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Definitions:

Financial Transaction

An agreement, communication, or movement of funds between two parties that results in the exchange of financial instruments.

Disposable Income

Disposable income is the amount of money that households have available for spending and saving after income taxes have been accounted for.

Typical Corporation

A standard business entity where ownership is divided into shares of stock, offering limited liability to its shareholders and being subject to corporate tax rates.

Disposable Income

Money left for savings and expenditures in households after paying income taxes.