1.5 Upper Limbs Blood Supply

Question 1

Proximal and distal borders of the axillary artery

Answer 1

Lateral border of 1st rib

Inferior border of the teres major muscle

Question 2

Branch of the 1st part of axillary artery

Answer 2

Superior thoracic artery

Question 3

Branches of the 2nd part of axillary artery

Answer 3

Thoracoacromial artery

Lateral thoracic artery

Question 4

Branches of the thoracoacromial artery

Answer 4

Pectoral branch
acromial branch
clavicular branch
deltoid branch

Question 5

Runs along lateral margin of pectoralis minor muscle and accompanies long thoracic nerve; supplies serratus anterior muscle

Answer 5

Lateral thoracic artery

Question 6

3 branches of the third part of axillary artery

Answer 6

subscapular artery
anterior circumflex humeral artery
posterior circumflex humeral artery

Question 7

Largest branch of the third part of the axillary artery

Answer 7

subscapular artery

Question 8

Proximal border of the brachial artery

Answer 8

Lower margin of teres major muscle

Question 9

Terminal branches of brachial artery

Answer 9

Radial and ulnar arteries

Question 10

Branch of the brachial artery that is smaller, and does not pass under the flexor retinaculum

Answer 10

Radial artery