Which Specific Defense Mechanism Defends Primarily Against Antigens in Body

Question

Which specific defense mechanism defends primarily against antigens in body fluids?
A) cell-mediated immune system
B) antibody-mediated immune system
C) inflammatory response
D) fever

Accepted Answer

The antibody-mediated immune system, also known as the humoral immune system, primarily defends against antigens in body fluids such as blood, lymph, and secretions. Antibodies produced by B cells in response to these antigens help neutralize or eliminate them from the body.