Which of the following is not a secondary granule:: (A) Lactoferrin, (B) Alkaline phosphatase., (C) BPI, (D) Lysozyme
Answer is C. Specific (secondary) granules

Lactoferrin
Alkaline phosphatase
Type IV phosphatase
Leucocyte adhesion molecules
Plasminogen activator
Phospholipase A2

Azurophilic (primary) granules

Myeloperoxidase
Lysozyme-Bactericidal factors
Acid hydrolase
Elastases
Nonspecific collagenase
BPI
Defensins
Cathepsins G
Phospholipase A2