Anterior and Posterior Mediastinum

Question 1

Aorta relationship to espohagus

Answer 1

Anterior at first and then moves posterior as it descends

Question 2

Direct aortic branches supply

Answer 2

Bronchi
Esophagus
Diaphragm
Body Wall

Question 3

Esophagus muscle compositon

Answer 3

Top 1/3 - skeletal
Middle 1/3 - skeletal and smooth
Bottom 1/3 - smooth

Question 4

Esophagus constriction points

Answer 4

Pharynx junction
Arch of aorta
Left main bronchus
Diaphragm opening

Question 5

Vaugs nerves pass through which mediastinum?

Answer 5

Superior and posterior

Question 6

Vagus nerve relationship to lung root

Answer 6

Posterior

Question 7

Vagus nerve branches and how they move

Answer 7

Recurrent laryngeal
Left - loops around aortic arch
Right - loops around right subclavian

Question 8

Types of fibers in vagus nerve

Answer 8

Pregang parasym to eosphageal, pulmonary, and cardiac plexi

Question 9

Sympathetic fibers of cardiac and pulmonary plex are

Answer 9

Postganglionic

Question 10

Sympathetic fibers of esophageal plexues are

Answer 10

Pre and postganglionic

Question 11

How does vagus nerve pass through diaphragm?

Answer 11

With esophagus
R - posterior vagal trunk
L - anterior vagal trunk

Question 12

Azygos system

Answer 12

Series of veins on dorsal body wall

Question 13

What does azygos sytem drain?

Answer 13

Posterior thorax and ab walls

Question 14

Veins that drain into azygos?

Answer 14

Posterior intercostal, esophageal, bronchial, and mediastinal

Question 15

Where do azygos and hemiazygos veins originate?

Answer 15

Abdomend from veins that connect to IVC

Question 16

Why is azygos system important?

Answer 16

Connects IVC with SVC of the heart for alternate routes of nevous return

Question 17

Accessory hemiazygos vein

Answer 17

Drains superior left thoracic wall

Question 18

Hemiazygos vein

Answer 18

Drains inferior left thoracic and abdominal wall

Question 19

Azygos vein drains into

Answer 19

SVC

Question 20

Cisterna chyli located

Answer 20

Anterior to L1/L2 vert

Question 21

Thoracic duct empties into

Answer 21

Left subclavian and left internal jugular vein junction

Question 22

Right lymphatic duct drains

Answer 22

Right upper ext, right side of head, right side of thorax

Question 23

Branch of thoracic duct emptying the thorax

Answer 23

Left bronchomediastinal trunk

Question 24

Brachipcephalic vein forms from joining of

Answer 24

Subclavian and jugular veins

Question 25

Superficial vessels of thoracic wall and what they drain

Answer 25

Skin and superficial fascia (including mammary glands) Axillary Parasternal INtercostal

Question 26

Deep vessels of thoracic wall and waht they drain?

Answer 26

Diaphragmatic | Drain thoracic muscles, intercostal tissues, and diaphragm

Question 27

Parietal nodes

Answer 27

Parasternal, intercostal, and diaphragmatic nodes

Question 28

Visceral nodes of thorax drain

Answer 28

Heart, lungs, leura, thymus, and esophagus

Question 29

Anterior mediastinal nodes location, what they drain, where they go

Answer 29

Superior mediastinum, anterior to great heart vessels Drain the heart, pericardium, thymus, and others nearby Drain into right and left bronchomediastinal trunks

Question 30

Posterior mediastinal nodes location, what they drain, where they go

Answer 30

Posterior to pericardium by esophagus and aorta Receive from esophagus, pericardium, and diaphragm Drain to thoracic duct

Question 31

Tracheobronchial nodes, what they drain, and where they g o

Answer 31

Surrounding structures | Right and left bronchomediastinal trunks

Question 32

Lymphatic system not found in

Answer 32

CNS, meninges, eye, internal ear, spleen, avascular strcutrue