Review Mediastinum

Question 1

intenal jugular v. + subclavian v. =

Answer 1

brachiocephalic v.

Question 2

which brachiocephalic v. is longer?

Answer 2

left

Question 3

what 3 vessels come off the aortic arch?

Answer 3

brachiocephalic a

l. common carotid
l. subclavian

Question 4

borders of the posterior mediastinum

Answer 4

pericardium and diaphragm

T5-T12 vertebrae

Question 5

where does the thoracic duct empty

Answer 5

union of l. internal jugular v and l. subclavian v.

Question 6

what does the azygous v. drain?

Answer 6

right side of throracic and abdominal wall * into the SVC

*sup. intercostal v. does the 1st three rib cavities

Question 7

union of r. subcostal and r. ascending lumbar v =

Answer 7

azygous

Question 8

union of l. subcostal and l. ascending

Answer 8

hemiazygous

Question 9

at what level does the hemiazygous cross over to join the azygous

Answer 9

T9

Question 10

accessory hemiazygous v. drains …

Answer 10

4th-8th IC spaces

crosses over to azygous at T8

Question 11

where does the left superior intercostal drain into

Answer 11

left brachiocephalic v

Question 12

where does the r. superior intercostal drain into

Answer 12

azygous

Question 13

greater splanchnic n.

Answer 13

T5-9

Question 14

lesser splanchnic n.

Answer 14

T10-11

Question 15

least splanchnic n.

Answer 15

T12