This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardio thoracic surgery  , Subject name: Anatomy
[{'content': 'Intralobar sequestration of lung receives blood supply from \nSelect and explain. \nA. Pulmonary aery, B. Descending abdominal aoa, C. Internal mammary aery, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A sequestration consists of normally developed bronchioles and alveoli supplied by systemic rather than pulmonary aeries. 95% of the time this blood supply is from the Aoa either above or below the diaphragm. Other characteristic features of sequestration - They occur most commonly in the lower lobes, L > R Lung sequestrations are of two types Intralobar and Extralobar', 'role': 'assistant'}]