This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemical Mediators and Regulators of Inflammation, Subject name: Pathology
Secondary granules in neutrophil is: . 
Select and explain. 
A. Lactoferrin, B. Proteolytic enzymes, C. Nucleotidase, D. Catalase
A: Lactoferrin
Answer: A: Lactoferrin 
Explanation: Ans. is 'a' lactoferrin Lactoferrin in an enzyme present in the secondary granules of neutrophils. Neutrophil has 2 granules - primary & secondary. Enzymes present in these 2 are given below