How Do Memory Cells Develop

question 28

Multiple Choice

How do memory cells develop?

• A)Upon reinfection, memory centers in the brain send signals to the bone marrow to induce T-cell and B-cell differentiation.
• B)T cells and B cells from the primary response persist and become reactivated.
• C)Innate cells are trained to activate new T cells and B cells more quickly with secondary infection.
• D)T cells and B cells from the primary infection slowly mutate their receptors over time, priming themselves for the secondary response.
• E)Innate cells modify their cell surface receptors to prepare for reinfection.

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Definitions:

Overapplied Overhead

A situation where the allocated manufacturing overhead cost is more than the actual overhead incurred.

Actual Overhead

The real costs incurred for overhead in a business, which can include utilities, rent, management salaries, and other indirect expenses.

Applied Manufacturing Overhead

The allocated cost of manufacturing overhead to specific jobs or production units based on a predetermined rate.

Gross Profit

The difference between sales revenue and the cost of goods sold, indicating the financial performance of a company's core activities.