Inferior Mediastinum

Question 1

The inferior mediastinum is divided in which subdivsions?

Answer 1

1) Anterior Mediastinum
2) Middle Mediastinum
3) Posterior Mediastinum

Question 2

What is the general location of the anterior mediastinum?

Answer 2

Anterior to the pericardium and posterior to the sternum

Question 3

What is located in the anterior mediastinum?

Answer 3

1) Thymus
2) Parasternal lymph nodes
3) Sternopericardial ligamnets

Question 4

What is the general location of the middle mediastinum?

Answer 4

Bounded by the pericardial sac

Question 5

What are the contents of the middle mediastinum?

Answer 5

1) Heart
2) Pericardium (both a boundary and a content)
3) Roots of the great vessels
4) Both Main Bronchi
5) Phrenic Nerve

Question 6

What structure is firmly adhered to the posterior surface of the pericardium?

Answer 6

Phrenic Nerve

Question 7

In general, what is the location of the posterior mediastinum?

Answer 7

Posterior to the pericardial sac and anterior to T5-T12 vertebrae

Question 8

Which of the subdivisions of the inferior mediastinum is the largets?

Answer 8

Posterior

Question 9

T/F: Both the trachea and esophagus are located int eh posterior mediastinum?

Answer 9

False: the trachea is not in the posterior mediastinum

Question 10

What structures does the thoracic duct sit between in the mediastinum?

Answer 10

Between the Aorta and Azygos Vein