This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'For the following dyslipidemias, select the most characteristic finding.Type III hyperlipoproteinemia. \nSelect and explain. \nA. palmar plane xanthomas, B. triglycerides > 1000, C. subcutaneous extensor tendon xanthomas, D. low serum cholesterol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In the rare familial form, raised yellow plaques appear on palms and fingers, and reddish-yellow xanthomas occur on the elbows. This disorder is felt to be secondary to accumulation of abnormal chylomicron and very low-density lipoprotein (VLDL) remnants. It is probably due to inherited homozygous defects in Apo E-II structure.', 'role': 'assistant'}]