Nerve Innervations (Exam 2)

Question 1

What does C2 innervate

Answer 1

skin of neck, ear, back of head

Question 2

What does C3-C5 innervate

Answer 2

Skin of neck

Question 3

What does Accessory nerve innervate

Answer 3

trapezius, omotransversarius, cleidocephalicus, sternocephalicus

Question 4

What do the cutaneous nerves innervate?

Answer 4

ventral and ventrolateral parts of abdominal wall

Question 5

What does subscapular nerve innervate

Answer 5

subscapularis

Question 6

What does suprascapular nerve innervate

Answer 6

supraspinatus, infraspinatus

Question 7

What does musculocutaneous nerve innervate

Answer 7

biceps brachii, brachialis, coracobrachialis

Question 8

What does axillary nerve innervate

Answer 8

teres major, teres minor, deltoideus, part of subscapularis

Question 9

What does thoracodorsal nerve innervate

Answer 9

latissumus dorsi

Question 10

What does radial nerve innervate

Answer 10

elbow, carpal and digital extensors as well as the dorsal surface of the paw
(triceps, tensor fasciae antebrachii, anconeus, extensor carpi radialis, common digital extensor, lateral digital extensor, ulnaris lateralis, supinator, abductor digiti I longus)

Question 11

What does median nerve innervate

Answer 11

carpal and digital flexors and palmar surface of the paw
(pronator teres, flexor carpi radialis, superficial digital flexor, deep digital flexor)

Question 12

What does ulnar nerve innervate

Answer 12

carpal and digital flexors and palmar surface of the paw
(flexor carpi ulnaris, deep digital flexor)

Question 13

What do the phrenic nerves innervate

Answer 13

the diaphragm

Question 14

are the splachnic nerves somatic or visceral?

Answer 14

visceral

Question 15

do the splanchnic nerves carry sympathetic or parasympathetic axons?

Answer 15

sympathetic

Question 16

Where can you locate the celiac ganglia?

Answer 16

the R and L surfaces of the celiac artery close to its origin

Question 17

does the vagosympathetic trunk carry sympathetic axons, parasympathetic axons, or both?

Answer 17

both

Question 18

Which 2 nerves have we learned that carry parasympathetic axons?

Answer 18

1. vagus nerve
2. pelvic nerve

Question 19

Where can you locate the cranial mesenteric ganglion?

Answer 19

caudal to the celiac ganglion on the sides and caudal surface of the cranial mesenteric artery

Question 20

What is the celiacomesenteric gaglion and plexus?

Answer 20

the cranial mesenteric ganglion and celiac ganglion and plexus (these are all very close to one another)

Question 21

Where can you locate the caudal mesenteric ganglion?

Answer 21

ventral to the aorta around the caudal mesenteric artery

Question 22

Where do the R and L hypogastric nerves come from, and go to?

Answer 22

The leave the caudal mesenteric ganglion and enter the pelvic canal (to the pelvic plexus)

Question 23

How can you locate the pelvic plexus?

Answer 23

trace the hypogastric nerve to it

Question 24

What does the pelvic nerve innervate?

Answer 24

it supplies branches to the urogenital organs, the rectum, and the descending colon