Question

with regard to the healing of a skin wound, macrophages __________. multiple choice release histamine to increase blood flow to the area produce and secrete collagenous fibers phagocytize and digest tissue debris stimulate epithelial cells to multiply make capillaries more permeable allowing white blood cells to migrate into the area

Explanation:

Macrophages are phagocytic cells. Their main function in wound - healing is to engulf and digest tissue debris, pathogens, and dead cells, which helps in cleaning the wound site and promoting a healthy environment for tissue repair. Histamine is released by mast cells, fibroblasts produce collagenous fibers, growth factors stimulate epithelial cell multiplication, and substances like histamine and prostaglandins make capillaries more permeable.

Answer:

C. phagocytize and digest tissue debris