Lymph Nodes (all), blood vessels, and Nerves of the thoracic appendage

Question 1

Canine lymph nodes that are typically palpable in healthy dogs

Answer 1

• Mandibular (submandibular)
• Superficial cervical (pre-scapular)
• Superficial popliteal (popliteal)

Question 2

Canine lymph nodes not typically palpable in healthy dogs

Answer 2

• Parotid
• Proper axillary (axillary)- can see in healthy cats

Question 3

Canine lymph node typically palpable in healthy males/large dogs

Answer 3

• Superficial inguinal (scrotal or mammary)

Question 4

Main Arterial Highway to the right forepaw

Answer 4

1. Left ventricle
2. Aorta
3. brachiocephalic trunk
4. subclavian artery
5. axillary artery
6. brachial artery
7. median artery

Question 5

Satellite venous highway from the right forepaw

Answer 5

1. Median vein
2. brachial vein
3. axillary vein
4. subclavian vein
5. right brachiocephalic vein
6. cranial vena cava

Note: two brachiocephalic veins… only one brachiocephalic artery

Question 6

Venous blood collection in dogs

Answer 6

• External jugular vein
• Cephalic vein
• Lateral saphenous vein

Question 7

Venous blood collection in cats

Answer 7

• External jugular vein
• Cephalic vein
• Medial saphenous vein

Question 8

Ventral roots

Answer 8

send signals away to extremities (efferent)

Question 9

Dorsal roots

Answer 9

Receive signals (afferent)

Question 10

Nerves of the brachial plexus

Answer 10

• Subscapular
• Suprascapular
• Musculocutaneous
• Median
• Radial
• Axillary
• Ulnar

Question 11

Shoulder Sweeney

Answer 11

Shoulder muscle loss caused by damage to the supraspinatus nerve

Question 12

Dropped elbow knuckling

Answer 12

Radial nerve damage

Question 13

What does the suprascapular nerve innervate?

Answer 13

supraspinatus & infraspinatus

Question 14

What does the subscapular nerve innervate?

Answer 14

Subscapularis

Question 15

What does the axillary nerve innervate?

Answer 15

• deltodeus
• teres major
• teres minor

Question 16

What does the radial nerve innervate?

Answer 16

Innervates the extensors.

Triceps brachii, anconeus, tensor fasciae antibrachii (TFA), extensor carpi radialis, common digital extensor, lateral digital extensor, ulnaris lateralis, supinator, abductor pollicis longus

Question 17

What does the superficial ramus (radial nerve) innervate?

Answer 17

Craniolateral antebrachium and dorsal paw

Question 18

What does the deep ramus (radial nerve) innervate?

Answer 18

Craniolateral antebrachium

Question 19

What does the ulnar nerve innervate?

Answer 19

Innervates the flexors that are not innervated by median nerve. Pronator teres, flexor carpi radialis, superficial digital flexor, flexor carpi ulnaris, deep digital flexor, pronator quadratus

Question 20

What does the median nerve innervate?

Answer 20

Most of the flexors. Pronator teres, flexor carpi radialis, superficial digital flexor, flexor carpi ulnaris, deep digital flexor, pronator quadratus

Question 21

What does the musculocutaneous nerve innervate?

Answer 21

• Coracobrachialis
• Biceps brachii
• brachialis

Question 22

What does the long thoracic nerve innervate?

Answer 22

Serratus ventralis