This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic histology, Subject name: Anatomy
Submandibular Acinar Cells secrete 
Select and explain. 
A. Glucagon, B. Lysozyme, C. Insulin, D. Plasma proteins
B: Lysozyme
Answer: B: Lysozyme 
Explanation: Lysozyme, an enzyme with antibacterial activity, is produced primarily by the Submandibular Salivary Gland Acinar Cells