Block 2 Mediastinum

Question 1

two subdivisions of mediastinum

Answer 1

superior, inferior

Question 2

inferior portion of mediastinum is subdivided into blank

Answer 2

anterior, middle, posterior

Question 3

lymph nodes in the mediastinum should be blank and not really noticeable in cadavers

Answer 3

tiny

Question 4

thymus is located in which part of mediastinum

Answer 4

anterior as well as superior/inferior

Question 5

arteries in the anterior mediastinum

Answer 5

internal thoracics

Question 6

two terminal branches of internal thoracic artery

Answer 6

musculophrenic, superior epigastric artery

Question 7

branch of internal thoracic artery that supplies intercostal spaces

Answer 7

anterior intercostal artery

Question 8

branch of internal thoracic that supplies phrenic nerve

Answer 8

pericardiophrenic artery

Question 9

vena cava are on this side of vertebral column

Answer 9

right

Question 10

two branches of superior vena cava

Answer 10

right/left brachiocephalic veins

Question 11

arterial strucutres are on blank side of vertebral column

Answer 11

left

Question 12

three branches off arch of aorta

Answer 12

brachiocephalic, left common carotid, left subclavian

Question 13

only the blank nerve is in the superior mediastinum

Answer 13

left recurrent laryngeal

Question 14

obstruction of svc leading to fluid accumulation and edemai in the head, neck , and upper limbs

Answer 14

superior vena cava syndrome

Question 15

when left vertebral artery arises from the aortic arch, it arises between the blank and blank arteries

Answer 15

left common carotid, left subclavian arteries

Question 16

descending aorta passes through the blank mediastinum

Answer 16

posterior

Question 17

trachea bifurcates into right and left primary bronchi at blank

Answer 17

carina (beneath angle of louis)

Question 18

primary bronchi are located in blank mediastinum

Answer 18

middle

Question 19

thoracic duct drains lymph from the entire body except from here

Answer 19

right side of head, neck, upper right extremity, right side of thorax

Question 20

this drains right side of head, neck, upper right extremity, right side of thorax

Answer 20

lymphatic duct

Question 21

left vagus nerve gives rise to this nerve

Answer 21

recurrent laryngeal nerve

Question 22

contents of posterior mediastinum

Answer 22

esophagus and vagal plexus, descending aorta, thoracic duct, azygos veins, splanchnic nerves

Question 23

greater splanchnic nerve has these fibers

Answer 23

visceral afferent, visceral efferent

Question 24

azygos vein is on the blank and drains the intercostal spaces on this side

Answer 24

right

Question 25

hemiazygos vein is on the blank and drains the intercostal spaces on this side

Answer 25

left