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': 'All except one results in increased secretion of Renin \nSelect and explain. \nA. Renal ischaemia, B. Decreased amount of Na+ in DCT, C. Decreased amount of Na+ in PCT, D. Narrowing of afferent arterioles', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Renin release is stimulated by\n\nReduced Na+ in macula densa in distal tubule.\nDecreased GFR- Renal ischemia, afferent arteriolar constriction.', 'role': 'assistant'}]