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: Anatomy
[{'content': 'The type of cartilage shown in the colour plate: \nSelect and explain. \nA. Hyaline cartilage, B. Elastic cartilage, C. Fibrocartilage, D. Mixed cartilage', 'role': 'user'}, {'content': 'Answer: A \nExplanation: There are three types of cartilage:\n\nHyaline—most\xa0common;\xa0matrix\xa0contains\xa0a\xa0moderate amount\xa0of\xa0collagen\xa0fibers\xa0(e.g.,\xa0articular\xa0surfaces\xa0of bones)\nElastic—matrix\xa0contains\xa0collagen\xa0fibers\xa0along\xa0with\xa0a large number of elastic fibers (e.g., external ear)\nFibrocartilage—matrix\xa0contains\xa0a\xa0limited\xa0number\xa0of cells and ground substance amidst a substantial amount of collagen fibers (e.g., intervertebral discs).', 'role': 'assistant'}]