Nerves

Question 1

What are the spinal nerves that form the Brachial Plexus?

Answer 1

C6, C7, C8, T1, T2

Question 2

Extrinsic Muscles of Thoracic Limb?

Answer 2

Superficial pectorals, deep pectorals, serratus ventralis, latissimus dorsi, omotransversarius, trapezius, brachiocephalicus, cutaneus trunci, preputial

Question 3

What innervates the superficial pectoral muscle?

Answer 3

Cranial pectoral nerve (C6-C8)

Question 4

What innervates the deep pectoral muscle?

Answer 4

Caudal pectoral nerve (C8-T2)

Question 5

What innervates the serratus ventralis?

Answer 5

Long thoracic nerve (C7)

Question 6

What innervates the latissimus dorsi?

Answer 6

Thoracodorsal nerve (C8)

Question 7

What innervates the cutaneus trunci and preputial muscles?

Answer 7

Lateral thoracic nerve (C8)

Question 8

Name of nerves that innervate extrinsic muscles of thoracic limb?

Answer 8

Cranial pectoral nerve, caudal pectoral nerve, long thoracic nerve, thoracodorsal, lateral thoracic

Question 9

Name of nerves that innervate intrinsic muscles of thoracic limb?

Answer 9

Suprascapular, subscapular, musculocutaneous, axillary, radial, median, ulnar

Question 10

What innervates supraspinatus and infraspinatus?

Answer 10

Suprascapular nerve

Question 11

What innervates subscapularis?

Answer 11

Subscapular nerve

Question 12

What innervates biceps brachii and brachialis?

Answer 12

Musculocutaneous nerve

Question 13

What innervates the teres major, teres minor, and deltoideus?

Answer 13

Axillary nerve

Question 14

What does the radial nerve innervate?

Answer 14

Extensor muscles of cubital joint (triceps brachii, anconeus, tensor fascia antebrachii), Extensor muscles of carpal joint (extensor carpi radialis) and ulnaris lateralis, Extensor muscles of digital joints (common digital extensor and lateral digital extensor)

Question 15

What does the median nerve innervate?

Answer 15

Flexor carpi radialis, superficial digital flexor, deep digital flexor, pronator teres, pronator quadratus,

Question 16

What does the ulnar nerve innervate?

Answer 16

Flexor carpi ulnaris, deep digital flexor, interosseous muscles

Question 17

What are the superficial nerves on the dorsal side of forepaw?

Answer 17

dorsal common digital nerves - radial nerve (lateral branch of superficial branch)

Question 18

What are the deep nerves on the palmar side of forepaw?

Answer 18

palmar metacarpal nerves - ulnar nerve (palmar branch)

Question 19

What are the superficial nerves on the palmar side of forepaw?

Answer 19

palmar common digital nerves - median nerve

Question 20

Autonomous zone of musculocutaneous nerve?

Answer 20

skin over medial aspect of antebrachium

Question 21

Autonomous zone of axillary nerve?

Answer 21

skin over lateral aspect brachium and cranial aspect of antebrachium

Question 22

Autonomous zone of radial nerve?

Answer 22

skin over craniolateral aspect of antebrachium and carpus, skin over dorsal aspect of forepaw

Question 23

Autonomous zone of median nerve?

Answer 23

skin over palmar aspect of metacarpus and digits

Question 24

Autonomous zone of ulnar nerve?

Answer 24

skin over caudal aspect of antebrachium, skin over palmar surface of carpus, metacarpus, and digits, lateral surface of 5th digit