Forelimb Vessels

Question 1

What branch of the axillary artery passes between the subscapularis and the teres major?

Answer 1

Subscapular artery.

Question 2

What branch of the subscapular artery supplies the latissimus dorsi & teres major?

Answer 2

Thoracodorsal artery.

Question 3

What artery is the caudal circumflex humeral artery a branch of?

Answer 3

It is a branch of the Subscapular artery.

Question 4

What artery is the cranial circumflex humeral artery a branch of?

Answer 4

It is a branch of the Axillary artery.

Question 5

What artery supplies the proximal portion of the biceps brachii?

Answer 5

Cranial circumflex humeral artery.

Question 6

What artery supplies the distal portion of the biceps brachii?

Answer 6

Bicipital artery.

Question 7

Be able to put these structures in order from proximal to distal:
Axillary a., brachial a., median a. heart, aorta, brachiocephalic trunk, subclavian a.

Answer 7

Proximal to distal…
Heart
Aorta
Brachiocephalic trunk
Subclavian artery
Axillary artery
Brachial artery
Median artery

Question 8

What branch of the brachial artery passes through the interosseous space?

Answer 8

Common interosseous artery.

Question 9

What branch of the brachial artery supplies the deep digital flexor & flexor carpi ulnaris?

Answer 9

Ulnar artery.

Question 10

What spinal nerves contribute to the brachial plexus?

Answer 10

First one or two thoracic spinal nerves. C6-T1.

Question 11

What nerve innervates the infraspinatus and supraspinatus?

Answer 11

Suprascapular nerve.

Question 12

What nerve innervates the subscapularis?

Answer 12

Subscapular nerve.

Question 13

What nerve innervates the latissimus dorsi?

Answer 13

Thoracodorsal nerve.

Question 14

What nerve innervates the flexors of the elbow?

Answer 14

Musculocutaneous nerve.

Question 15

What nerve innervates the serratus ventralis muscle?

Answer 15

Long thoracic nerve.

Question 16

Which nerve innervates the flexors of the shoulder?

Answer 16

Axillary nerve.

Question 17

Which nerve is responsible for the panniculus response?

Answer 17

Lateral thoracic nerve.

Question 18

Which nerve innervates the extensors of the elbow?

Answer 18

Radial nerve.

Question 19

Which nerve innervates the extensor of the carpus and digits?

Answer 19

Radial nerve.

Question 20

Which nerve is the primary nerve of support for the forelimb?

Answer 20

Radial nerve.

Question 21

Which nerve innervates the flexors of the carpus and digits?

Answer 21

Median nerve.

Question 22

Which nerve joins with the musculocutaneous nerve via a communicating branch?

Answer 22

Median nerve.

Question 23

Which nerve innervates the flexors of the forearm and paw?

Answer 23

Ulnar nerve.

Question 24

What is the major branch of the ulnar nerve? Does it travel cranially or caudally?

Answer 24

Caudal cutaneous antebrachial nerve. It travels caudally???