The "classical pathway" for activation of the complement cascade is triggered by
A) activation of C3.
B) inflammation.
C) first recognition of an antigen.
D) antigen-antibody complexes.

Question

Quizplus · Accepted Answer

The classical pathway for activation of the complement cascade is triggered by the presence of IgG or IgM antigen-antibody complexes.Activation of C3 initiates the alternative pathway.Inflammation does not initiate the classical pathway,but instead inflammation is enhanced by the complement cascade.First recognition of an antigen initiates the lectin pathway or the alternative pathway.

The "Classical Pathway" for Activation of the Complement Cascade Is