Upperlimb Nerves and Vessels

Question 1

Do arteries run below or above the retinaculum?

Answer 1

Above so they will not be cut off by an increase in pressure

Question 2

What is the order of the arteries?

Answer 2

Subclavian, axillary, brachial, ulnar and radial, palmar arch and then phalangeal

Question 3

Is the ulnar or radial artery more important?

Answer 3

Ulnar

Question 4

Which digits does the ulnar artery supply?

Answer 4

3.5 digits starting from the smallest finger

Question 5

Which digits does the radial artery supply?

Answer 5

1.5 digits starting from the thumb

Question 6

Where do the radial and ulnar arteries terminate?

Answer 6

Palmar arches

Question 7

What does the ulnar artery supply?

Answer 7

Forearm and hand

Question 8

What does the radial artery supply?

Answer 8

Lateral aspect of the forearm

Question 9

Where do the cephalic and basilic vein begin?

Answer 9

Dorsal venous arch at the hand

Question 10

Where do superficial veins run?

Answer 10

On the back of the hand so they are not compressed

Question 11

Where do the cephalic and basilic vein marge?

Answer 11

Median cubital vein

Question 12

Where are blood tests taken from?

Answer 12

Median cubital vein because it is at a consistent location in all people

Question 13

Which lymphatic duct drains the right upper limb?

Answer 13

Right lymphatic duct

Question 14

Which lymphatic duct drains the left upper limb?

Answer 14

Thoracic duct

Question 15

Lymphatics follow the veins of the upper limb and drain to?

Answer 15

The axillary lymph node

Question 16

Where does the axillary lymph node drain to?

Answer 16

It drains to the lymph trunks via the venous system

Question 17

What else does the axillary node drain?

Answer 17

Chest, neck, breast

Question 18

What muscles does the musculocutaneous nerve supply?

Answer 18

Flexor muscles of the arm, biceps, brachialis, coracobrachialis

Question 19

Where does the musculocutaneous nerve arise from?

Answer 19

c5,c6,c7

Question 20

What skin does the musculocutaneous nerve supply?

Answer 20

The lateral skin of the forearm

Question 21

Where does the median nerve arise from?

Answer 21

c5,c6,c7,c8,t1

Question 22

What muscles do the median nerve supply?

Answer 22

Flexor muscles of the forearm

Question 23

What skin does the median nerve supply?

Answer 23

3.5 digits of the hand and the nail beds

Question 24

Where does the ulnar nerve arise?

Answer 24

c8, t1

Question 25

What muscles does the ulnar nerve supply?

Answer 25

Intrinsic muscles of the hand

Question 26

What skin does the ulnar nerve supply?

Answer 26

1.5 digits of the hand

Question 27

Where does the musculocutaneous nerve run?

Answer 27

Deep to the biceps, it is rarely injured

Question 28

Where does the median nerve run?

Answer 28

Beneath the carpal tunnel, it can be injured in carpal tunnel syndrome

Question 29

Where does the ulnar nerve run?

Answer 29

Past the medial epicondyle and over the flexor retinculum

Question 30

Where does the axillary nerve arise?

Answer 30

c5,c6

Question 31

What muscles does the axillary nerve supply?

Answer 31

Deltoid, abductors of the shoulder

Question 32

What skin does the axillary nerve supply?

Answer 32

Military badge area

Question 33

Where does the axillary nerve run?

Answer 33

Near the head of the humerus and can be injured during a dislocation of the shoulder or a fracture of the surgical neck

Question 34

Where does the radial nerve arise?

Answer 34

c5,c6,c7,c8,t1

Question 35

What muscles does the radial nerve supply?

Answer 35

Flexors of the forearm and the triceps

Question 36

What skin does the radial nerve supply?

Answer 36

Posterior skin of the arm and forearm and also part of the back on the hand but not including nailbeds

Question 37

Where does the radial nerve run?

Answer 37

Between the medial and lateral heads of the triceps and on the shaft of the humerus, can be injured during a fracture of the humerus.