Brachial Plexus

Question 1

Name the highlighted Nerve

Answer 1

dorsal scapular nerve

Question 2

Name the highlighted Nerve

Answer 2

long thoracic n.

Question 3

Name the highlighted Nerve

Answer 3

N. to subclavius

Question 4

Name the highlighted Nerve

Answer 4

Suprascapular n.

Question 5

Name the highlighted Nerve

Answer 5

lateral pectoral n.

Question 6

Name the highlighted Nerve

Answer 6

upper subscapular n.

Question 7

Name the highlighted Nerve

Answer 7

thoracodorsal n.

Question 8

Name the highlighted Nerve

Answer 8

lower subscapular nerve

Question 9

Name the highlighted Nerve

Answer 9

medial pectoral nerve

Question 10

Name the highlighted Nerve

Answer 10

medial brachial cutaneous n.

Question 11

Name the highlighted Nerve

Answer 11

medial antebrachial cutaneous nerve

Question 12

Name the highlighted nerves from top to bottom

Answer 12

Musculocutaneous n.
Axillary n.
Median n.
Radial n.
Ulnar n.

“MAMRU”

Question 13

Name these sections of the brachial plexus

Answer 13

ventral primary rami, C5-T1

Question 14

Name these sections of the brachial plexus

Answer 14

Superior, middle, and inferior trunks

(learned upper, middle, and lower in anatomy)

Question 15

Name these sections of the brachial plexus

Answer 15

Anterior and posterior divisions of the trunks

Question 16

Name these sections of the brachial plexus

Answer 16

Question 17

what spinal segments make up the subclavius nerve?

Answer 17

C5,C6

Question 18

What does nerve to subclavius innervate?

Answer 18

subclavius muscle

Question 19

which spinal segments make up the dorsal scapular nerve?

Answer 19

C5

Question 20

what does dorsal scapular nerve innervate?

Answer 20

rhomboid muscles
levator scapulae muscle

Question 21

what spinal segments make up long thoracic nerve?

Answer 21

C5-C7

Question 22

what does long thoracic nerve innervate?

Answer 22

serratus anterior muscle

Question 23

what spinal segments make up the supra-scapular nerve?

Answer 23

C5, C6

Question 24

what does the supra-scapular n. innervate?

Answer 24

supraspinatus and infraspinatus muscles

Question 25

what spinal segments make up the medial pectoralis nerve?

Answer 25

C8-T1

Question 26

what does medial pectoralis nerve innervate?

Answer 26

pec major and pec minor

Question 27

which spinal segments make up the lateral pectoralis nerve?

Answer 27

C5-C7

Question 28

what does lateral pectoralis nerve innervate?

Answer 28

pec major

Question 29

which spinal segments make up thoracodorsal nerve?

Answer 29

C6-C8

Question 30

what does thoracodorsal n. innervate?

Answer 30

latissimus dorsi m.

Question 31

which spinal segments make up the axillary nerve?

Answer 31

C5 and C6

Question 32

what structure does the axillary nerve follow?

Answer 32

posterior circumflex humeral artery

Question 33

what does axillary nerve innervate?

Answer 33

deltoid and teres minor muscles skin of the arm/lateral shoulder

Question 34

which is the longest branch of the brachial plexus?

Answer 34

radial nerve

Question 35

which spinal segments make up the radial nerve?

Answer 35

C5-C8, T1 is inconsistent

Question 36

what does radial nerve innervate?

Answer 36

extensor muscles of the forearm: extensor carpi radialis, extensor carpi ulnaris extensor muscles of the Arm: triceps brachii supinator, anconeus, brachioradialis m. digital extensors abductor pollicis longus skin over posterolateral surface fo the arm, forearm, and hand

Question 37

which spinal segments make up the musculocutaneous nerve?

Answer 37

C5 - C7

Question 38

what does musculocutaneous n. innervate?

Answer 38

flexor muscles of the arm: biceps brachii, brachialis, coracobrachialis skin over the lateral surface fo the forearm (lateral antebrachialcutaneous)

Question 39

which spinal segments make up median nerve?

Answer 39

C6 - T1, but inconsistent contribution from C5

Question 40

what does median nerve innevate?

Answer 40

flexor muscles of the forearm: flexor carpi radialis, palmaris longus, pronator quadratus, pronator teres muscles digital flexors (through palmar interosseous nerve) skin over anterolteral surface of the hand

Question 41

which spinal segments make up the ulnar nerve?

Answer 41

C8, T1

Question 42

what does ulnar nerve innervate?

Answer 42

flexor carpi ulnaris muscles adductor pollicis hypothenar muscles small digit muscles skin over medial surface of the hand

Question 43

Name the sensory innervation of this region

Answer 43

axillary nerve (sup lateral brachial cutaneous n.)

Question 44

Name the sensory innervation of this region

Answer 44

supraclavicular nerves (from cervical plexus C3-C4)

Question 45

Name the sensory innervation of this region

Answer 45

Radial Nerve

Question 46

Name the sensory innervation of this region

Answer 46

medial brachial cutaneous nerve intercostobrachial nerve

Question 47

Name the sensory innervation of this region

Answer 47

medial antebrachial cutaneous nerve

Question 48

Name the sensory innervation of this region

Answer 48

lateral antebrachial cutaneous nerve (terminal part of musculocutaneous nerve)

Question 49

Name the sensory innervation of this region

Answer 49

ulnar nerve

Question 50

Name the sensory innervation of this region

Answer 50

median nerve

Question 51

Name the sensory innervation of this region (Yeah, yeah I know I already had a card on this)

Answer 51

radial nerve

Question 52

Which muscle does the musculocutaneous nerve first peirce?

Answer 52

coracobrachialis muscle