Thorax 5 Superior MS

Question 1

Superior Mediastinum

- anterior to posterior

Answer 1

Thymus
Veins
Arteries
Airways
Alimentary Tract
Lymphatic Channels

Question 2

Veins from posterior to Sternoclavicular Joint

Answer 2

1. Internal Jugular and Subclavian Veins
2. Brachiocephalic Veins
   - (1 intercostal space)
3. SVC

Question 3

Trachea and esophagus live in the superior mediastinum

- which travels in the inferior MS?

Answer 3

Esophagus only

• MC question

Question 4

Branches of the aortic arch

- left to right

Answer 4

1. brachiocephalic trunk
   - right common carotid
   - right subclavian
2. left common carotid
3. left subclavian

Question 5

Branches Ascending Aorta

Answer 5

coronary arteries (left and right

Question 6

Large structures of the superior mediastinum

Answer 6

Arch of the aorta
Brachiocephalic Veins
SVC
Trachea
Esophagus

Question 7

Traveling direction of L vagus nerve

Answer 7

1. Over subclavian artery
2. Under Brachiocephalic Vein
3. With aortic arch (posterior)
4. With esophagus

Question 8

Nerves from lateral to medial

Answer 8

Phrenic Nerve
Vagus Nerve
Recurrent Laryngeal Nerve (branch of vagus)

Question 9

Ligamentum arteriosum

Answer 9

Ligament between

pulmonary trunk and aortic arch

Question 10

Left Phrenic Nerve

- originates from?

Answer 10

anterior rami

- c3, c4, c5

Question 11

Left Phrenic Nerve

- traveling direction

Answer 11

1. Over sublclavian
2. under brachiocephalic trunk
3. over roof of lung