Which immune response is characteristic of Neutrophils?

Neutrophils are a vital component of the innate immune system, known primarily for their role in phagocytosis. This process is critical for the immune response, as neutrophils rapidly migrate to sites of infection or injury, where they engulf and digest pathogens, such as bacteria and fungi. This primary function not only helps to eliminate invading microorganisms but also plays a part in orchestrating further immune responses by releasing cytokines and other signaling molecules.

Phagocytosis is characterized by the ability of neutrophils to recognize, engulf, and destroy pathogens through a series of steps that include adhesion to the target cell, internalization, and destruction within specialized compartments called phagosomes. This characteristic makes neutrophils one of the first responders to infection and inflammation, providing a crucial early line of defense.

Other options like antibody production, allergic response, and antigen presentation are functions associated with other components of the immune system, such as B cells or T cells, and do not accurately represent the primary role of neutrophils. Thus, the correct identification of a neutrophil's response mechanism as phagocytosis reflects an understanding of its fundamental function in the immune system.