Why Do Lymph Nodes Often Become Swollen During an Infection

question 2

Multiple Choice

Why do lymph nodes often become swollen during an infection?

• A) T cells reproduce in lymph nodes after being exposed to pathogens.
• B) B cells reproduce in lymph nodes after being exposed to pathogens.
• C) Macrophages move to lymph nodes after engulfing pathogens.
• D) Cytotoxic T cells attack pathogens in the lymph nodes, triggering inflammation.
• E) Vasodilation increases blood flow in the lymph nodes.

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Definitions:

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit (return) of an investment by the cost of the investment.

Investment Center

A business unit within an organization that is responsible for its own revenues, expenses, and investments, and is evaluated on its return on investment.

Operating Assets

Assets that are used in the daily operations of a business to generate revenue, such as machinery, buildings, and equipment.

Controllable Margin

The portion of income that remains after deducting controllable expenses, indicating the earning performance that management can influence.