The lectin pathway is initiated by the presence of which of the following?

Question

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The lectin pathway is initiated by the presence of mannose on the surface of pathogens or altered host cells. This leads to activation of the lectin pathway and subsequent activation of the complement cascade. Antibody (choice A) triggers the classical pathway, C3 (choice B) is the central component of all complement pathways, and C1qrs (choice D) initiates the classical pathway.

The Lectin Pathway Is Initiated by the Presence of Which