a-65-year-old-man-with-chronic-obstructive-pulmonary-disease-copd-is-hospitalize

Question

A 65-year-old man with chronic obstructive pulmonary disease (COPD) is hospitalized with pneumonia. His blood tests show elevated IgG levels directed against the pathogen. What is the function of IgG in this context?

Accepted Answer

Both B and C

Answer

Binding to mast cells to trigger histamine release

Answer

Neutralization of the pathogen and opsonization

Answer

Triggering the classical complement pathway

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A 65-year-old man with chronic obstructive pulmonary disease (COPD) is hospitalized with pneumonia. His blood tests show elevated IgG levels directed against the pathogen. What is the function of IgG in this context?