This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Stimulation of the following receptor produce renin \nSelect and explain. \nA. Alpha 1, B. Alpha 2, C. Beta 1, D. Beta 2', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Beta 1 receptors are present opn JG apparatus producing increased renin.', 'role': 'assistant'}]