Arteries of the Upper Limb

Question 1

Blood supply to the right UL

Answer 1

Left ventricle, ascending aorta, aortic arch, brachiocephalic trunk, right subclavian a.

Question 2

Blood supply to the left UL

Answer 2

Left ventricle, ascending aorta, aortic arch, left subclavian a.

Question 3

Where does the subclavian a. become the axillary a.?

Answer 3

After the clavicle

Question 4

Where does the axillary a. become the brachial a.?

Answer 4

After the teres major m.

Question 5

Into what does the brachial artery split?

Answer 5

Deep brachial, radial and ulnar aa.

Question 6

Into what does the ulnar a. split?

Answer 6

Common interosseous a. and superficial palmar arterial arch

Question 7

Into what does the radial artery split?

Answer 7

Deep palmar arterial arch

Question 8

What artery branches off of the first part of the axillary a.?

Answer 8

Superior thoracic a.

Question 9

What arteries branch off of the second part of the axillary a.?

Answer 9

Thoracoacromial a. and lateral thoracic a.

Question 10

What arteries branch off of the third part of the axillary a.?

Answer 10

Subscapular a. (thoracodorsal a. and circumflex scapular a.), anterior circumflex humeral and posterior circumflex humeral aa.

Question 11

What are the three branches of the brachial a.?

Answer 11

Deep brachial, radial and ulnar aa.