The functions of antibodies include
A) causing pieces of antigen genes to form new combinations.
B) activating complement, inactivating pathogens, and clumping pathogens.
C) activating macrophages, stimulating mast cells, and increasing the white blood cell count.
D) creating a warm and swollen area near the site of infection, which harms the pathogens.
E) causing B cells to bind to T cells, forming clumps that are visible to the immune system.

Question

Quizplus · Accepted Answer

Antibodies have three main functions: (1) to activate complement, which leads to the destruction of the pathogen; (2) to inactivate pathogens directly; and (3) to agglutinate or clump pathogens together, making them more easily engulfed by phagocytes. Choice B correctly lists all three of these functions.

The Functions of Antibodies Include