What Happens When a Helper T Cell Is Activated

question 90

Multiple Choice

What happens when a helper T cell is activated?

• A) Two populations of cells are formed: helper T cells and cytotoxic T cells; the TH cells activate B cells and the TC  cells target virus-infected cells.
• B) Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells produce a variety of antibodies.
• C) Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells play a role in activating B cells.
• D) Two populations of cells are formed: effector TH cells and effector TC cells; these work together to activate B cells and macrophages.
• E) Activated TH cells produce cytokines that stimulate dendritic cells, converting them into antigen-presenting cells.

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Definitions:

Predetermined Overhead Rate

A rate used to apply manufacturing overhead cost to products, calculated before the manufacturing process begins based on estimated costs.

Overapplied Overhead

A situation where the allocated overhead costs exceed the actual overhead expenses incurred.

Machine-Hours

A unit of measure indicating the total time production machinery is operated, used in calculating manufacturing costs and efficiencies.

Cost of Work

This could refer to the total expenses associated with performing a particular job or task, including labor, materials, and overhead costs.