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: Surgery
[{'content': 'Nutrient and oxygen reach the chondrocytes across perichondrium by - \nSelect and explain. \nA. Capillaries, B. Diffusion, C. Along neurons, D. Active transpo', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Diffusionchondrocytes within the matrix must receive nutrients and oxygen by diffusion from vessels that lie outside the cailage.', 'role': 'assistant'}]