Which Statement Below Characterizes the Complement System

question 37

Multiple Choice

Which statement below characterizes the complement system?

• A)Complement comprises a team of blood proteins that are activated in a cascade,ultimately leading to pathogen cytolysis,inflammation and enhanced phagocytosis.
• B)Complement pyrogens stimulate the hypothalamus to raise the body temperature,increasing metabolism and preventing the growth of temperature-sensitive pathogens.
• C)Complement proteins bind to cell surfaces and induce changes in genetic expression,eliminating not only pathogens,but cancer cells also.
• D)Complement proteins,produced by a host cell in response to viral attack,are secreted and enter neighboring cells,stimulating the production of antiviral proteins in anticipation of an invasion.

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Definitions:

Direct Labor

Direct labor involves the work of employees that can be directly attributed to the production of specific goods or services.

Direct Materials

The raw materials that are traceable directly to the production of a specific good or product, forming an integral part of the finished product.

Conversion Costs

The combined costs of direct labor and manufacturing overheads incurred to convert raw materials into finished goods.

Direct Materials

Primary elements that are directly involved in the production process of particular products or services.