Posterior and Superior Mediastinum

Posterior and Superior Mediastinum

Assessment

Interactive Video

Health Sciences, Biology

University

Hard

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Dr. Morton explains the mediastinum, a central compartment in the thoracic cavity, detailing its regions: superior and inferior mediastinum, with a focus on the posterior mediastinum. The posterior mediastinum is likened to the organized wiring behind a TV, containing structures like the descending aorta, azygos veins, thoracic duct, esophagus, and sympathetic nerves. The superior mediastinum is divided into venous, arterial, and visceral planes, each with specific anatomical features. The video emphasizes understanding the organization and function of these mediastinal structures.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'mediastinum' mean in Latin?

Middle

Side

Top

Bottom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subregion of the mediastinum is located in front of the heart?

Posterior mediastinum

Middle mediastinum

Anterior mediastinum

Superior mediastinum

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The acronym DATES helps remember the structures in which part of the mediastinum?

Anterior mediastinum

Middle mediastinum

Superior mediastinum

Posterior mediastinum

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the azygos system of veins?

Drains venous blood from the posterior wall of the thoracic cavity

Supplies blood to the heart

Transports food to the stomach

Drains lymph from the body

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the thoracic duct drain lymph into?

Right atrium

Right subclavian vein

Left subclavian vein

Superior vena cava

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At which vertebral level does the esophagus pierce the diaphragm?

T12

L1

T10

T8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the vagus nerve in relation to the esophagus?

It drains lymph from the esophagus

It supports the esophagus structurally

It supplies blood to the esophagus

It innervates the esophagus

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