Microbiology Phagocytic function is assessed by – A Proloiferative response to mitogen B Reduction of NBT (Nitroblue tetrazolium test) C Serum immunoglobulin assay D Skin test with purified protein derivative 💡 Explanation Phagocytic function is assessed by - ✓ Correct Answer: B. Reduction of NBT (Nitroblue tetrazolium test)