This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Which of the following increases rennin release? \nSelect and explain. \nA. Parasympathetic stimulation, B. Renal hypertension, C. Renal hyperperfusion, D. Decreased Nacl in macula densa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Factor which increase rennin release :\n\nRenal hypoperfusion and hypotension\nSymphathetic stimulation\nRenal ischaemia\nDecreased Nacl in macula densa', 'role': 'assistant'}]