Apex at of the lung lies at what level?
Ans. is 'a' i.e., Above the clavicle * Apex lies in the inlet of thorax, 2.5 cm above the clavicle. It is related anteriorly to subclavian artery and vein. Posteriorly it is separated from neck of first rib by (from medial to lateral) sympathetic trunk, fist posterior intercostal vein, superior intercostal artery, and ascending branch of ventral ramus of 1st thoracic nerve.
Above the clavicle
Below the clavicle
At the level of the clavicle
None
Thorax