2.2

Question 1

Most of the anterior surface of the heart is formed by which chamber?

Answer 1

RV

Question 2

Which chamber makes up most of the right (medial) border of the heart?

Answer 2

RA

Question 3

Which chamber makes up most of the left (lateral) border of the heart?

Answer 3

LV

Question 4

Which chamber makes up most of the inferior border of the heart?

Answer 4

RV

Question 5

Name the structures that lie in the posterior mediastinum.

Answer 5

Oesophagus

Descending thoracic aorta

Azygous veins

Thoracic duct - transmit lymph from abdomen and lower limbs to posterior mediastinum to drain into brachiocephalic veins

Question 6

What are the first vessels that come off the aorta?

Answer 6

Coronary vessels

They come off immediately superior to the aortic valve (at sinuses of Valsalva)

Question 7

Main nerves of the mediastinum?

Answer 7

Phrenic - pass anteriorly

Vagus - pass posteriorly to contents of mediastinum