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': 'Juxtaglomerular apparatus includes \nSelect and explain. \nA. Macula densa, B. Juxtaglomerular cells, C. Extraglomerular measngial cells, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the above are components of\xa0Juxtaglomerular apparatus', 'role': 'assistant'}]