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': "Inracellular concentration of K' is - \nSelect and explain. \nA. 5.5 meq/L, B. 15 meq/L, C. 28 meq/L, D. 150 meq/L", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is'd' i.e., 150 meq/LRef: Principles of medical physiology p. 712)Intracellular K* concentration -+ 150 meq/LExtracellular K* concentration -+ 4.5 - 5 meq/L", 'role': 'assistant'}]