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: Unknown
[{'content': 'The amniotic membrane is characterized by all except: \nSelect and explain. \nA. Provides maximum tensile strength, B. Highly vascular, C. It developed after 2-7 days of gestation, D. Derived from Foetal ectoderm', 'role': 'user'}, {'content': 'Answer: B \nExplanation: AMNION\nAt term, amnion is tough and tenacious.\nIt provides almost all of the tensile strength of the fetal membranes.\nIt is avascular and plicable.\nIt is the innermost fetal membrane and is contiguous with the amniotic fluid.', 'role': 'assistant'}]