Identify the Mismatched Pair of Chemokine and the Cells That

question 21

Multiple Choice

Identify the mismatched pair of chemokine and the cells that secrete it.

• A)CCL19: lymph-node dendritic cells
• B)CXCL13: follicular dendritic cells
• C)CCL21: stromal cells of secondary lymphoid tissues
• D)All of the above are correctly matched.

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Definitions:

Discretionary Fiscal Policy

Government policy actions, through spending or taxation, aimed at influencing economic conditions based on current economic assessments.

Budget Deficit

The financial situation where an entity's expenses exceed its revenues within a given timeframe.

Annually Balanced Budget

Budget philosophy prior to the Great Depression; aimed at matching annual revenues with outlays, except during times of war.

Business Cycle

The periodic fluctuations in economic activity characterized by phases of expansion and contraction.