A. The upper angle of the scapula is located at the level of the second rib

B. The jugular vein incision is equivalent to the level of the 2nd to 3rd thoracic vertebrae

C. The sternal angle is equivalent to the level of the lower edge of the 4th thoracic vertebra

D. The oxiphoid process synchondrosis is equivalent to the level of the 9th thoracic vertebra

E. The pulsation point of apex of heart is located in the 4th intercostal space