Which of the Following Is Not True About the Classical

question 12

Multiple Choice

Which of the following is not true about the classical pathway of complement activation?

• A) C₃ is not involved in the classical pathway.
• B) C₁ is the first protein activated in the classical pathway.
• C) Cleaved fragments of some of the proteins act to increase inflammation.
• D) C₃b causes opsonization.
• E) The C₁ protein complex is initiated by antigen- antibody complexes.

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Definitions:

Encoding

The process of converting information into a form that allows it to be stored in our memory.

Attention

The cognitive process of selectively concentrating on one aspect of the environment while ignoring other things.

Early-Selection Model

A theory in cognitive psychology suggesting that information is filtered, or selected for further processing, early in the perceptual process.

Late-Selection Model

A theory in cognitive psychology suggesting that the selection of information for final processing occurs late in the processing sequence.