<prompt> Nitroblue tetrazolium test is used for?PhagocytesComplementT cellB cell  <response>: Ans. a PhagocytesRef Robbins 9thpg 238; 8thpg 55DiagnosisNitroblue-tetrazolium NBT test: Most widely known test for chronic granulomatous disease.Depends upon direct reduction of NBT in phagocytes by superoxide free radical to form an insoluble formazan QThis test tells whether or not PHOX enzymes are present, not how much they are affected Q 