This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Vein, artery, nerve sequence is present in intercostal space at: 
Select and explain. 
A. Upper Border of Rib, B. Middle Border of Rib, C. Lower Border of Rib, D. Lower Portion of Intercostal Space
C: Lower Border of Rib
Answer: C: Lower Border of Rib 
Explanation: Ans. C. Lower Border of RibThe intercostal space (ICS) is the anatomic space between two ribs. Since there are 12 ribs on each side, there are 11 intercostal spaces, each numbered for the rib superior to it.The neurovascular bundle in ICS has a strict order: V-A-N, or vein-artery-nerve, from top to bottom. This neurovascular bundle runs high in the intercostal space near lower Border of Rib