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HK 3401 > 16- Thorax IV > Flashcards

16- Thorax IV Flashcards

1
Q

What structures is the posterior mediastinum anterior to?

A

vertebral bodies T5- T12

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2
Q

What structures is the posterior mediastinum posterior to?

A

Pericardium/ Heart
Diaphragm

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3
Q

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

A

Inferior mediastinum

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4
Q

What is the posterior mediastinum inferior to?

A

sternal angle

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5
Q

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

A

veins/ arteries/ trachea/ esophagus

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6
Q

What is anterior to arteries?

A

veins

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7
Q

What is anterior to the esophagus?

A

trachea

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8
Q

What is posterior to arteries?

A

trachea

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9
Q

What is posterior to trachea?

A

esophagus

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10
Q

What is posterior to veins?

A

arteries

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11
Q

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

A

Superior mediastinum

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12
Q

What is the major artery of the superior mediastinum?

A

arch of the aorta

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13
Q

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

A

Brachiocephalic trunk
Left common carotid artery
Left subclavian artery

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14
Q

What part of the mediastinum is the ascending aorta in?

A

middle mediastinum = inferior mediastinum

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15
Q

Where do the veins of the superior mediastinum go to?

A

SVC

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16
Q

What receives venous blood from the intercostal spaces?

A

Azygos vein

17
Q

Where does the azygos vein empty into?

A

SVC

18
Q

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

A

descending aorta
- in posterior mediastinum

19
Q

What part of the mediastinum is the trachea located in?

A

only superior

20
Q

Is the trachea present in the middle mediastinum?

A

no- only superior
middle = inferior

21
Q

Where does the trachea bifurcate?

A

sternal angle

22
Q

Is the esophagus present in the posterior mediastinum?

A

yes- starts in superior/ continues down posterior

23
Q

What are 2 major structures present in the posterior mediastinum?

A

Esophagus
Descending/ thoracic aorta

24
Q

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

A

Posterior mediastinum

25
Q

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

A

descending/ thoracic aorta

26
Q

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

A

posterior mediastinum

27
Q

What does the thoracic/ descending aorta supply?

A

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

28
Q

What are the arteries in the diaphragm called?

A

Phrenic arteries

29
Q

What are the arteries in the lungs called?

A

Bronchial arteries

30
Q

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

A

Vagus nerve

31
Q

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

A

Phrenic nerve

32
Q

What is the vagus nerve distal/ lateral to?

A

Aorta

HK 3401 (9 decks)

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