Question

Lymph nodes function primarily to perform which of the following actions?

Options

• Filter blood and destroy aged cells

• Filter lymph, trap antigens, and activate lymphocytes

• Produce and mature B-lymphocytes

• Protect mucosal surfaces from pathogen entry

Answer 1

Lymph nodes are secondary lymphoid organs located along lymph vessels in areas such as the neck, armpit, and groin. Their primary function is to filter lymph, trap antigens, and serve as sites of immune activation and proliferation of both B-cells and T-cells in response to antigens.