Mediatinum Block 1

Question 0

What can cause the mediastinum to widen

Answer 0

Any structure

Usually observed with trauma after head on head collision

Question 1

What can surgeons do with a mediastinoscope

Answer 1

Surgeons can make a hole next to the jugular notch and look into the mediastinum and take a biopsy if needed.

Question 2

Where is the superior mediastinum

Answer 2

Is superior to the transverse thoracic plane

Question 3

Name the structures in the mediastinum going from anterior to superior

Answer 3

Thymus
Great vessels -bravo and svc
Anterior part of trachea and esophagus
Thoracic duct and lymphatic trunk

Question 4

Structures in superior mediastinum from up to down are

Answer 4

Thymus 
Veins
Arteries
Airway
Alimentary tract 
Lymphatic trunk

Question 5

What is the thymus and what does it do

Answer 5

Primary lymphoid organ

Is located posterior to the manubrium

Question 6

After puberty what happens to the thymus

Answer 6

It undergoes gradual shrinksand is largely replaced by fat

Question 7

In some infants what may the thymus do

Answer 7

Compress the trachea

Question 8

Thymus is important to what

Answer 8

The production of t-lymphocytes

Question 9

Brachiocephalic vein join to form what

Answer 9

The superior vena cava

Question 10

Tell me about the left brachicephsllic vein

Answer 10

It is more then twice as long as the right vein because it passes from left to right

It shunts blood from the head neck and left upper limb and right atrium

Question 11

Tell me about the superior vena cava

Answer 11

It returns blood from all structures that are superior to the diaphragm except the head and the lungs