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': 'Level of the lower border of the lung at the mid-axillary line is - \nSelect and explain. \nA. 6th rib, B. 8th rib, C. 10th rib, D. 12th rib', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The inferior margin of pleura extends onto diaphragm at the level of (Costodiaphragmatic line)\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa08th\xa0rib in the midclavicular line\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa010th\xa0rib in mid-axillary line\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa012th\xa0rib at the lateral border of erector spinae.\nThe lower border of lungs extends till the level of\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa06th\xa0rib in the midclavicular line\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa08th\xa0rib in mid-axillary line\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa010th\xa0rib at the lateral border of erector spinae.', 'role': 'assistant'}]