Lecture 9 - Vascular Supply to Upper Extremity

Question 1

Where does lymphatic drainage originate from in the upper extremity?

Answer 1

-palmar and dorsal surface of the hand

Question 2

What are the boundaries of the subclavian artery?

Answer 2

Proximally:
-branching point from aorta

Distally:
-inferior border of first rib

Question 3

What defines the divisions of the subclavian artery?

Answer 3

First third:
-medial to anterior scalene

Second third:
-posterior to anterior scalene

Last third:
-lateral to anterior scalene

Question 4

What branches from the first third of the subclavian artery?

Answer 4

Vertebral artery

Interior thoracic artery

Thyrocervical truck:

• suprascapular artery
• transverse cervical artery
• inferior thyroid artery

Question 5

What branches from the second third of the subclavian artery?

Answer 5

Costocervical trunk

• supreme intercostal artery
• deep cervical artery

Question 6

What branches from the last third of the subclavian artery?

Answer 6

Nothing

Question 7

What are the borders of the axillary artery?

Answer 7

Proximal:
-inferior border of first rib

Distal:
-inferior border of the teres major

Question 8

What defines the divisions of the axillary artery?

Answer 8

First third:
-superior to pectoralis minor

Second third:
-deep to pectoralis minor

Last third:
-inferior to pectoralis minor

Question 9

What branches from the first third of the axillary artery?

Answer 9

Superior thoracic artery

Question 10

What branches from the second third of the axillary artery?

Answer 10

Lateral thoracic artery

Thoracoacromial artery

• pectoral branch
• deltoid branch
• acromial branch
• clavicular branch

Question 11

What branches from the last third of the axillary artery?

Answer 11

Anterior circumflex humeral artery

Posterior circumflex humeral artery

Subscapular branch

• thoracodorsal artery
• circumflex scapular artery

Question 12

What are the borders of the brachial artery?

Answer 12

Proximal:
-inferior border of the teres major

Distal:
-bifurcation into radial and ulnar arteries

Question 13

What are the branches of the brachial artery?

Answer 13

Deep brachial artery
-Radial collateral artery

Superior ulnar collateral

Inferior ulnar collateral

Question 14

What are the borders of the radial artery?

Answer 14

Proximal:
-bifurcation of the brachial artery

Distal:
-deep palmar arch

Question 15

What are the branches of the radial artery?

Answer 15

Radial recurrent artery (to radial collateral artery)

Question 16

What are the borders of the ulnar artery?

Answer 16

Proximal:
-bifurcation of brachial artery

Distal:
-superficial palmar arch

Question 17

What are the branches of the ulnar artery?

Answer 17

• common interosseous artery (splits into anterior and posterior interosseous artery)
• anterior ulnar recurrent (to inferior ulnar collateral)
• posterior ulnar recurrent (to superior ulnar collateral)