The Complement System Is ________

question 2

Multiple Choice

The complement system is ________.

• A) a set of proteins involved in innate but not acquired immunity
• B) a group of proteins that includes interferons and interleukins
• C) a group of proteins that act together in a cascade fashion
• D) a set of proteins that act individually to attack and lyse microbes

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Definitions:

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.

Receptor

A protein molecule that receives and responds to chemical signals, such as hormones or neurotransmitters, within the body.

Glial Cell

Non-neuronal cells in the central and peripheral nervous system that provide support and protection for neurons.

Epithelial Cell

Cells that line the surfaces of the body, including skin, blood vessels, and organs, serving as a barrier and interface with the environment.