Pathology Which of the following tests would be most beneficial in the diagnosis of a patient suspected of having chronic granulomatous disease of childhood? A E rosette - forming assay B Cell-mediated cytolysis C Nitroblue tetrazolium (NBT) test D Determination of CD4: CD8 ratio 💡 Explanation Which of the following tests would be most beneficial in the diagnosis of a patient suspected of having chronic granulomatous disease of childhood? ✓ Correct Answer: C. Nitroblue tetrazolium (NBT) test