Mediastinum - Exam 2

Question 1

mediastinum

Answer 1

area between the lungs

Question 2

mediastinum sections

Answer 2

superior, anterior inferior, middle inferior, posterior inferior

Question 3

thoracic plane

Answer 3

border between superior and inferior mediastinum
between sternal angle and T4/5 vertebral bodies

Question 4

mediastinum blood vessels

Answer 4

arch of aorta and branches
thoracic aorta
pulm trunk/arteries
brachiocephalic veins
azygous vein (hemi and accessory hemi)
SVC/IVC
pulm veins

Question 5

mediastinum nervous tissue

Answer 5

R and L vagus nerve
left recurrent laryngeal nerve
phrenic nerves
sympathetic chain/trunk

Question 6

mediastinum organs/other structures

Answer 6

trachea/main bronchi
esophagus
thymus
thoracic duct
pericardial sac and heart

Question 7

brachiocephalic veins

Answer 7

deliver deoxygenated blood from head/neck/arms to heart

Question 8

azygous vein

Answer 8

collects blood from posterior thoracic wall
runs alongside thoracic duct

Question 9

vagus nerves

Answer 9

more posterior than phrenic nerves
PSNS

Question 10

left recurrent laryngeal nerve

Answer 10

motor innervation of vocal cords/larynx

Question 11

phrenic nerves

Answer 11

bilateral
innervate diaphragm (motor and sensory)

Question 12

sympathetic chain/trunk

Answer 12

cell bodies and processes of SNS