The Complement System Is

question 80

Multiple Choice

The complement system is

• A) a set of proteins involved in innate but not acquired immunity.
• B) a set of proteins secreted by cytotoxic T cells and other CD8 cells.
• C) a group of proteins that includes interferons.
• D) a group of antimicrobial proteins that act together in a cascade fashion.
• E) a set of proteins that act individually to attack and lyse microbes.

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Definitions:

Reject Low Frequencies

Describes a filter's ability to attenuate or eliminate signals below a certain frequency threshold, allowing higher frequencies to pass.

High-pass

A filter that allows frequencies higher than its cutoff frequency to pass through while attenuating frequencies below the cutoff.

Radio Station

A service that broadcasts audio content through radio waves to be received by the public, typically including music, news, and other entertainment.

Separator

In electrochemical cells, a separator is a membrane that allows the flow of ions but prevents direct contact between the cathode and anode, thus avoiding a short circuit.