Which Cell Has the Responsibility of Presenting Foreign Antigens to Lymphocytes

question 39

Multiple Choice

Which cell has the responsibility of presenting foreign antigens to lymphocytes?

• A) cytotoxic CD8⁺ T lymphocyte
• B) dendritic cell
• C) helper CD4⁺ T lymphocyte
• D) natural killer

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Definitions:

Opportunity Cost

The cost of forgoing the next best alternative when making a decision. It represents the benefits an individual, investor or business misses out on when choosing one alternative over another.

Implicit Rate

The implied rate of return that is not explicitly stated, often used in the context of comparing the cost of borrowing to the rate of return on investments.

Equity Capital

The amount of money that is invested in a company by its owners, in exchange for ownership interest or shares.

Economic Profit

The surplus remaining after deducting total costs from total revenues, including both explicit and implicit costs, and representing a measure of economic efficiency.