Week 6 - upper limb vasculature

Question 1

What occurs at the aortic arch?

Answer 1

the right side has the brachicephalic artery to link it to the heart, whereas the left side goes directly from the aorta to the subclavian artery

Question 2

How many parts does the subclavian artery have?

Answer 2

3

Question 3

What are the three parts of the subclavian artery?

Answer 3

1. brachiocephalic trunk to med border of ant scalene
2. behind anterior scalene
3. lateral border of anterior scalene to lateral border of first rib

Question 4

How many parts does the axillary artery have?

Answer 4

3

Question 5

What are the three parts of the axillary artery?

Answer 5

1. lateral border of first rib to med border of pec minor
2. behind pec minor
3. lat border of pec minor to inf border of teres major

Question 6

When does the axillary artery become the brachial artery?

Answer 6

after teres minor

Question 7

What is the function of the common interosseous artery?

Answer 7

to pump blood while the major artery is temporarily squeezed during normal movement (ie flexion of elbow)

Question 8

Where does the common interosseous artery come from?

Answer 8

off ulnar artery

Question 9

Where do the ant and post interosseous arteries anastamose?

Answer 9

in the deep palmar arches

Question 10

What does the ulnar nerve supply?

Answer 10

superficial palmar arch

Question 11

What does the radial nerve supply?

Answer 11

deep palmar arch