Upper Limb Blood Supply

Question 1

Where do axillary arteries arise?

Answer 1

Lateral edge of 1st rib

Question 2

Where do the posterior and anterior circumflex arteries arise?

Answer 2

Surgical neck humerus

Question 3

Where does the sub scapular artery arise?

Answer 3

Surgical neck humerus

Question 4

Which artery does the axillary artery become, and where does this occur?

Answer 4

Brachial artery, at the level of teres major

Question 5

Where does the brachial artery give rise to the profunda brachii artery?

Answer 5

Immediately distal to teres major

Question 6

Where does the profunda brachii artery run, and what does it supply?

Answer 6

Posterior surface of humerus in radial groove. Supplies structures in posterior aspect of arm e.g. triceps

Question 7

What descends the arm immediately anterior to the brachial artery?

Answer 7

Median nerve

Question 8

Where does the brachial artery terminate and what does it give rise to?

Answer 8

As it crosses the cubital fossa, deep to brachialis. Birfurcates into radial and ulnar arteries.

Question 9

What are the contents of the cubital fossa?

Answer 9

"Really need beer to be at my nicest"
Radial Nerve
Biceps Tendon
Brachial Artery 
Median Nerve

Question 10

Which aspects of the forearm do the radial and ulnar arteries supply?

Answer 10

Radial: posterior
Ulnar: anterior

Question 11

In the hand, what does the radial artery contribute to mainly?

Answer 11

Thumb, lateral index finger

Question 12

In the hand, what does the ulnar artery contribute to mainly?

Answer 12

Supply of medial index finger and medial 3 digits

Question 13

Which artery crosses the floor of the anatomical snuffbox?

Answer 13

Radial artery

Question 14

Which artery supplies most to the superficial palmar arch? And to the deep?

Answer 14

Ulnar: superficial
Radial: deep

Question 15

Where does the basilic vein originate?

Answer 15

Dorsal venous network of the hand

Question 16

Which aspect of the arm does the basilic vein ascend?

Answer 16

Medial

Question 17

Where does the axillary vein arise and what is it comprised of?

Answer 17

Border of teres major, basilic vein combines with brachial veins to form axillary

Question 18

Where does the cephalic vein originate?

Answer 18

Dorsal venous network of hand

Question 19

Which of aspect of the arm does the cephalic vein ascend?

Answer 19

Antero-lateral

Question 20

Where does the cephalic vein enter the axillary vein?

Answer 20

Within the axilla. Travels between deltoid and pec major, then enters axilla via clavipectoral triangle

Question 21

Which vein connects the cephalic and basilic veins?

Answer 21

Median cubital

Question 22

What are vena comitantes?

Answer 22

Paired veins situated either side of an artery. Pulsations of the artery aid venous return.