Why Are Functions of T-Lymphocytes Referred to as "Cell-Mediated" Immunity

question 31

Multiple Choice

Why are functions of T-lymphocytes referred to as "cell-mediated" immunity?

• A) Because T-lymphocytes are cells and not just plasma proteins
• B) Because T-lymphocytes work against antigens associated with cells
• C) Because T-lymphocytes work only against single-celled infectious agents
• D) Because T-lymphocytes must activate other classes of cells in order to have any effect

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Definitions:

Subsidiary Ledger

A ledger containing individual accounts with a common characteristic.

Control Account

A general ledger account that summarizes the total amounts recorded in various subsidiary ledgers for easier and consolidated reporting.

Accounting System

A comprehensive process of collecting, recording, classifying, and summarizing financial information for business transactions.

Feedback

Measures provided to operational employees or managers on the performance of subunits of the organization. These measures are used by employees to adjust a process or a behavior to achieve goals. See management by exception.