Question

When an antigen is present, ____ are the first type of white blood cell to come to the body’s defense?

Answer 1

Phagocytes, specifically the neutrophils.

N.B: Phagocytes are two types; neutrophils and Macrophages(also known as Monocytes when immature)

Answer 2

Answer: Phagocytes.

Step-by-step explanation:

Macrophages are the most relevant phagocytic cells. These cells are the differentiated form of blood monocytes, which are strategically distributed in various tissues to origin the mononuclear phagocyte system.

Macrophage functions are characterized by neutralization, ingestion and destruction of particles, including biopathogens, in addition to processing and presenting antigens for T lymphocytes.