vascular supply of upper limb

Question 1

Subclavian Artery

Answer 1

Supplies: Neck, chest wall, and shoulder

Becomes axillary artery at the lateral border of the 1st rib

Question 2

Axillary Artery

Answer 2

Becomes brachial artery at teres major

Question 3

Brachial Artery

Answer 3

Main artery of the arm

Bifurcates in the cubital fossa into:

Radial artery

Ulnar artery

Question 4

Radial and ulnar Artery

Answer 4

begins as brachial artery divides

Question 5

Palmar Arches

Answer 5

Superficial palmar arch: Mainly from ulnar artery

Deep palmar arch: Mainly from radial artery

Supply blood to the hand

Question 6

Deep veins (reverse of arteries)

Answer 6

• Superficial and deep palmar venous arches – form ulnar and radial veins
• Ulnar & radial veins- unite in cubital fossa to form brachial veins
• Brachial veins- from cubital fossa to teres major
• Axillary vein- from teres major to 1st rib (within axilla)
• Subclavian vein – proximal to 1st rib

Question 7

lymphatic drainage

Answer 7

• Lymph from right upper quadrant of the body is returned to the circulation by the right lymphatic duct.
• The rest of the body’s lymph is returned to the circulation by the thoracic duct