This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Parasympathetic stimulation induces salivary acinar cells to release the protease \nSelect and explain. \nA. Bradykinin, B. Kallikrein, C. Kininogen, D. Kinin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]