16- Thorax IV

Question 1

What structures is the posterior mediastinum anterior to?

Answer 1

vertebral bodies T5- T12

Question 2

What structures is the posterior mediastinum posterior to?

Answer 2

Pericardium/ Heart
Diaphragm

Question 3

What part of the mediastinum is the posterior mediastinum a subsection of?

Answer 3

Inferior mediastinum

Question 4

What is the posterior mediastinum inferior to?

Answer 4

sternal angle

Question 5

What is the order of the following anterior to posterior?
veins/ arteries/ trachea/ esophagus

Answer 5

veins/ arteries/ trachea/ esophagus

Question 6

What is anterior to arteries?

Answer 6

veins

Question 7

What is anterior to the esophagus?

Answer 7

trachea

Question 8

What is posterior to arteries?

Answer 8

trachea

Question 9

What is posterior to trachea?

Answer 9

esophagus

Question 10

What is posterior to veins?

Answer 10

arteries

Question 11

What part of the mediastinum is the arch of the aorta in?

Answer 11

Superior mediastinum

Question 12

What is the major artery of the superior mediastinum?

Answer 12

arch of the aorta

Question 13

What are the 3 main divisions odd the arch of the aorta?

Answer 13

Brachiocephalic trunk
Left common carotid artery
Left subclavian artery

Question 14

What part of the mediastinum is the ascending aorta in?

Answer 14

middle mediastinum = inferior mediastinum

Question 15

Where do the veins of the superior mediastinum go to?

Answer 15

SVC

Question 16

What receives venous blood from the intercostal spaces?

Answer 16

Azygos vein

Question 17

Where does the azygos vein empty into?

Answer 17

SVC

Question 18

How does the arch of the aorta (superior mediastinum) continue distally?

Answer 18

descending aorta
- in posterior mediastinum

Question 19

What part of the mediastinum is the trachea located in?

Answer 19

only superior

Question 20

Is the trachea present in the middle mediastinum?

Answer 20

no- only superior
middle = inferior

Question 21

Where does the trachea bifurcate?

Answer 21

sternal angle

Question 22

Is the esophagus present in the posterior mediastinum?

Answer 22

yes- starts in superior/ continues down posterior

Question 23

What are 2 major structures present in the posterior mediastinum?

Answer 23

Esophagus
Descending/ thoracic aorta

Question 24

What part of the mediastinum is the descending/ thoracic aorta in?

Answer 24

Posterior mediastinum

Question 25

What does the esophagus cross over in the posterior mediastinum? (starts in front/ goes behind)

Answer 25

descending/ thoracic aorta

Question 26

What part of the mediastinum are the posterior intercostal arteries in?

Answer 26

posterior mediastinum

Question 27

What does the thoracic/ descending aorta supply?

Answer 27

intercostal space (posterior intercostal arteries) esophagus pericardium lungs (bronchial arteries) diaphragm (phrenic arteries)

Question 28

What are the arteries in the diaphragm called?

Answer 28

Phrenic arteries

Question 29

What are the arteries in the lungs called?

Answer 29

Bronchial arteries

Question 30

What nerve heads posteriorly towards the esophagus from the superior mediastinum?

Answer 30

Vagus nerve

Question 31

What nerve is in "phront" of the root of the lung in the superior mediastinum?

Answer 31

Phrenic nerve

Question 32

What is the vagus nerve distal/ lateral to?

Answer 32

Aorta