<prompt> Vein, artery, nerve sequence is present in intercostal space at:Upper Border of RibMiddle Border of RibLower Border of RibLower Portion of Intercostal Space  <response>: 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 