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': 'True about nodes of ranvier \nSelect and explain. \nA. No myelin, B. Rich in sodium channels, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nodes of ranvier are seen in myelinated neurons They are not covered by myelin sheath and are rich in It leads to saltatory type of conduction Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:72,73', 'role': 'assistant'}]