What is the primary function of blood component that expresses CD11b, a marker involved in complement receptor 3?

A Phagocytosis of foreign particles ✓
B Antigen presentation to T cells
C Regulation of blood coagulation
D Production of inflammatory cytokines

Explanation

CD11b is a marker involved in complement receptor 3, which plays a crucial role in phagocytosis of foreign particles by neutrophils and macrophages.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high