Vertebral Levels

Question 1

C3

Answer 1

hyoid bone

Question 2

C4

Answer 2

Biforcation of the common carotid, thyroid cartilage

Question 3

C6

Answer 3

Cricoid cartilage, trachea begins, oesphagus begins

Question 4

T2

Answer 4

Superior angle of scapula, sternocalvicular joint, suprasternal notch

Question 5

T4

Answer 5

Thoracic plane, sternal angle of Louis, arch of aorta, biforcation of the trachea (carina), division between the superior and inferior mediastinum, azygous vein drains into SVC.

Question 6

T8

Answer 6

IVC hiatus of diaphragm, branches of right phrenic nerve

Question 7

T9

Answer 7

Xiphisternal joint

Question 8

T10

Answer 8

oesophageal hiatus of the diaphragm, right and left vagus nerves, oesphageal branches of the left gastric artery and vein (both go through the oesophageal hiatus)

Question 9

T12

Answer 9

aortic hiatus of the diaphragm, descending aorta, thoracic duct and azygous vein behind aortic hiatus.

Question 10

L1

Answer 10

Tanspyloric plane, 9th costal cartilage, fundus of the gallbladder, pylorus of the stomach, conus medullaris, neck of the pancreas, superior mesenteric artery origin, hilum of the kidneys. Left above right below, splenic vein traverses behind the pancreas, duodenojejunal flexure, cisterna chyli

Question 11

L2

Answer 11

Renal veins, thoracic duct begins, azygous and hemiazygous vein begin

Question 12

L3

Answer 12

Subcostal plane, umbilicus, origin of the inferior mesenteric artery

Question 13

L4

Answer 13

Supracristal plane, iliac crest, biforcation of the abdominal aorta

Question 14

L5

Answer 14

Intertubercular plane, inferior vena cava, formed from R and L iliac veins

Question 15

S1

Answer 15

Sacral promontory

Question 16

S2

Answer 16

posterior superior iliac spin, dural sac terminates.