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
The lower border of the lung is upto which level of the rib at the mid-axillary line 
Select and explain. 
A. 6, B. 8, C. 10, D. 12
B: 8
Answer: B: 8 
Explanation: The lower border of lung crosses 6th rib in midclavicular line,8th rib in mid-axillary line 10th rib at the lateral border of erector spinae.