34. The following statements concerning the thoracic wall are correct except:
So‘rovnoma
- a) trachea bifuricates opposite manubriosternal joint (angle of Louis) in midrespiratory position
- b) The arch of the aorta lies behind the body of the sternum
- c)apex beat of heart can normally be felt in left intercostals space about 3.5 inch 9cm from midline
- d) lower margin of the right lung on full inspiration could extend to eighth costal cartilage
- e) All intercostals nerves are derived from the anterior rami of thoracic spinal nerves