Arterial supply of the upper limb

Question 1

Subclavian artery supplies the

Answer 1

upper limb, but also sends branches to the neck and the brain

Question 2

The right subclavian artery arises from the

Answer 2

brachiocephalic trunk

Question 3

The left subclavian artery arises from the

Answer 3

arch of the aorta, about 1cm distal to the left common carotid artery

Question 4

Subclavian arteries reach an apex as they

Answer 4

pass posterior to the anterior scalene muscle

Question 5

As the subclavian arteries begin to descend, they

Answer 5

lie posterior to the middle of the clavicle

Question 6

As the subclavian arteries cross the ___________, their name changes and they become the ____________

Answer 6

outer margin of the first rib
axillary arteries

Question 7

3 parts of the subclavian artery is described relative to the

Answer 7

anterior scalene muscle

Question 8

3 parts of the subclavian artery is described relative to the anterior scalene muscle part one:

Answer 8

Is medial to the muscle

Question 9

3 parts of the subclavian artery is described relative to the anterior scalene muscle
part two:

Answer 9

Posterior to the muscle

Question 10

3 parts of the subclavian artery is described relative to the anterior scalene muscle
third part:

Answer 10

Lateral to the muscle

Question 11

branches of the subclavian artery:
from the first part we get the:

Answer 11

vertebral artery
Internal thoracic artery
Thyrocervical trunk

Question 12

branches of the subclavian artery:
From the second part we have one branch:

Answer 12

Costocervical trunk

Question 13

branches of the subclavian artery:
From the second part we
From the third part:

Answer 13

Dorsal scapula artery

Question 14

Question 15

The axillary artery
begins at the ________ of the _________

Answer 15

lateral border
first rib

Question 16

The axillary artery is the continuation of the

Answer 16

subclavian artery

Question 17

The axillary artery ends at the _______
It passes ________ to the ___________ into the arm, and then becomes the ___________ when it passes the ___________

Answer 17

inferior border of the teres major
posterior
pectoralis major
brachial artery
inferior border of the teres major

Question 18

For descriptive purposes, the axillary artery is divided into three parts by the

Answer 18

pectoralis minor

Question 19

For descriptive purposes, the axillary artery is divided into three parts by the pectoralis minor:
1st segment

Answer 19

= 1 branch
- between the lateral border of the first rib and the medial border of pectoralis minor
- enclosed in the axillary sheath
= Superior thoracic artery

Question 20

For descriptive purposes, the axillary artery is divided into three parts by the pectoralis minor:
2nd segment

Answer 20

= 2 branches
- Posterior to pectoralis minor
= Thoracoacromial artery
= Lateral thoracic artery

Question 21

For descriptive purposes, the axillary artery is divided into three parts by the pectoralis minor:
3rd segment

Answer 21

= 3 branches
- extends from lateral border of pectoralis minor
- to inferior border of teres major
= Subscapular artery
> Circumflex scapular artery
> thoracodorsal artery
= Posterior humeral circumflex artery
= Anterior humeral circumflex artery

Question 22

Question 23

The brachial artery is a continuation

Answer 23

of the axillary artery past the lower border of teres major

Question 24

the main supply of blood to the arm

Answer 24

Brachial artery

Question 25

The brachial artery descends

Answer 25

down the arm as it moves towards the cubital fossa, underneath the bicipital aponeurosis

Question 26

The brachial artery terminates

Answer 26

by bifurcating in the cubital fossa,
into the radial and ulnar artery

Question 27

Question 28

The radial and ulnar arteries anastomose in the hand by

Answer 28

forming two arches
- Superficial palm arch
- Deep palm arch

Question 29

Superficial palm arch located

Answer 29

Anterior to the flexor tendon

Question 30

Superficial palm gives rise to the

Answer 30

Digital arteries
which supply the 4 fingers

Question 31

deep palm arch location

Answer 31

deep to the flexor tendon of the hand

Question 32

deep palm arch supplies

Answer 32

the digits + wrist joint