Which Cell Type Initiates a Secondary Immune Response

question 59

Multiple Choice

Which cell type initiates a secondary immune response?

• A)natural killer cell
• B)memory cell
• C)effector cell
• D)cytotoxic T cell

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Definitions:

Cross-Rate

The exchange rate between two currencies, calculated based on their common exchange rates with a third currency.

Exchange Rate

The rate at which one currency can be exchanged for another, determining how much of one currency is needed to purchase a unit of another currency.

Spot Trade

An agreement to trade currencies based on the exchange rate today for settlement in two days.

Exchange Rate

The rate at which one currency can be exchanged for another, usually used in international trade and finance.