Which Statement Best Describes the Difference in Responses of Effector

question 89

Multiple Choice

Which statement best describes the difference in responses of effector B cells (plasma cells) and cytotoxic T cells?

• A)B cells confer active immunity;cytotoxic T cells confer passive immunity.
• B)B cells respond the first time a pathogen is present;cytotoxic T cells respond subsequent times.
• C)B cells secrete antibodies against a pathogen;cytotoxic T cells kill pathogen-infected host cells.
• D)B cells carry out the cell-mediated response;cytotoxic T cells carry out the humoral response.

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Definitions:

Production Costs

Expenses directly related to the creation of goods and services, including materials, labor, and overhead costs.

Fixed Production Costs

Costs that do not change with the level of production, such as rent, insurance, and salaries.

Variable Production Costs

Costs that change in proportion to the level of production activity, such as raw materials and direct labor.

Variable Costing

A costing method that includes only variable production costs in the cost of goods sold and treats fixed overhead as a period expense.