Thorax 4

Question 1

anterior border of posterior mediastinum

Answer 1

pericardial sac

Question 2

superior border of posterior mediastinum

Answer 2

transverse thoracic plane (T4)

Question 3

inferior border of posterior mediastinum

Answer 3

thoracic surface of diaphragm

Question 4

posterior border of posterior mediastinum

Answer 4

border of T5- T12 vertebrate

Question 5

what does the azygos vein link

Answer 5

SVC and IVC (on the right side)

Question 6

what drains the left side of the posterior thoracic wall

Answer 6

hemiazygos
accessory hemiazygos
left superior intercostal

Question 7

what is contained within posterior mediastinum

Answer 7

mediastinal surface of lungs

Question 8

3 visceral branches of descending aorta

Answer 8

bronchial arteries
oesophageal artery
pericardial artery

Question 9

3 parietal branches of descending aorta

Answer 9

superior phrenic
posterior intercostals
subcostals

Question 10

what joins the diaphragm onto the lumbar vertebrate

Answer 10

left and right crus

Question 11

what is the medial arcuate ligament

Answer 11

thickening of fascia over psoas (ends in l so more lateral than median)

Question 12

3 types of arcuate ligament

Answer 12

medial, median and lateral

Question 13

where is the median arcuate ligament found

Answer 13

over aorta

Question 14

where is the lateral arcuate ligaments found

Answer 14

thickening of fascia over quadrates lumborum

Question 15

3 borders of anterior triangle of neck

Answer 15

midline of trachea
inferior border of mandible
anterior border of SCM

Question 16

3 borders of posterior triangle

Answer 16

posterior border of SCM
anterior border of trapezius
midthird of clavicle

Question 17

nerve supply to SCM

Answer 17

accessory

Question 18

attachments of trapezius

Answer 18

occipital bone to lateral 1/3rd of clavicle and acromion process

Question 19

4 branches of subclavian artery

Answer 19

internal thoracic (goes down) 
thyrocervical trunk (falls first)
costocervical trunk 
vertebral (into brain)

Question 20

where does the thoracic duct drain

Answer 20

where the IJV rises up from the subclavian vein