Exam 3 Brachial Plexus Flashcards Preview

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Flashcards in Exam 3 Brachial Plexus Deck (44):
1

Name two nerves that form the inferior trunk of the brachial plexus.

C8 and T1

2

The lateral cord of the brachial plexus is formed by ___ division of ___

Anterior
the upper and middle trunks

3

Name the nerves that receive the gray rami communicans from the middle cervical ganglion of the sympathetic trunk.

C5 and C6

4

The eighth cervical ventral ramus contributes the white ramus communicans to the cervicothoracic ganglion. True or False

False - T1

5

Name the spinal nerve which sends the white ramus communicans to the stellate ganglion.

T1

6

The supraclavicular branches of the brachial plexus are from the roots and trunks of the brachial plexus. True or False

True

7

The longus collies are innervated by

C5, C6, C7, and C8 (C2-C4)

8

The nerve to the phrenic nerve from the fifth cervical ventral ramus joins the phrenic nerve at the front of ___ muscle.

Scalenus anterior

9

The supra scapular nerve arises from ___ of the brachial plexus.

Superior trunk

10

The suprascapular nerve enters the supraspinous fossa through the scapular notch above the superior transverse scapular ligament. True or False

False - inferior not above

11

Name the nerve which distributes the deep medial surface of the pectoralis major.

Lateral Pectoral N of C5, C6, C7

12

Name the muscles which are innervated by the medial pectoral nerve

Pectoralis major/minor

13

The upper subscapular nerve is from the ___ cord with ___ roots.

Posterior
C5, C6

14

Name the nerve which innervates the latissimus dorsi.

Thoracodorsal of C6, C7, C8

15

Name the nerve which innervates the teres major

Lower subscapular n of C5, C6

16

Name the superior border of the quadrangular space through which the axillary nerve passes

Subscapularis
Teres major

17

Name the inferior border of the quadrangular space

Teres major

18

Name the medial border of the quadrangular space

Long head of triceps brachialii

19

Name the lateral border of the quadrangular space

Surgical neck of humerus

20

Name the nerve which gives off the upper lateral cutaneous nerve of the arm

Posterior branch of the axillary nerve

21

Name the nerve which pierces the coracobrachialis

Musculocutaneous N of C5, C6, C7

22

The lateral cutaneous nerve of the forearm is a continuation of ___

Musculocutaneous N

23

Name the nerve which supplies the skin over the half of the anterior surface of the forearm

Lateral cutaneous N of the forearm

24

The intercostobrachial nerve communicates with ___ on the arm

Medial cutaneous nerve

25

Name the nerve which arises from medial and lateral cords of the brachial plexus.

Median N

26

Name the nerve which locates between two tendons of the flexor digitorum superficialis and the flexor carpi radials at the proximal to the flexor retinaculum

Median N

27

Name the nerve which innervates the flexor pollicis longus

Anterior osseous n of median N in the forearm

28

Name the nerves which give off the articular nerve to the elbow joint

Median N
Musculocutaneous N

29

The proximal radio-ulnar joint is innervated by

Articular branch of the median n

30

Name the muscles which are innervated by the median nerve in the hand

Flexor pollicis brevis
Abductor pollicis brevis
Opponens pollicis

31

Name the nerve which innervates the first lumbrical

Palmar digital branches of median n in the hand

32

The ulnar nerve arises from ___ cord with ___ roots

Medial
(C7) C8 & T1

33

Name the nerve which lies in a groove on the dorsum of the medial epicondyle.

Ulnar N

34

The ulnar nerve lays medial/lateral side of the ulnar vessels at the proximal end of the flexor retinaculum.

Medial

35

Name the nerve which innervates the palmaris brevis

Palmar cutaneous branches of ulnar n

36

Name the nerve which supplies the adductor pollicis

Deep terminal branches of ulnar n

37

The deep terminal branch of the ulnar nerve supplies the following, except: Abductor digiti minimi, opponens digiti minimi, adductor pollicis, opponens pollicis

Opponens pollicis

38

The radial nerve arises from the ___ cords with ___ roots

Posterior
C5, C6, C7, C8 (T1)

39

The muscular branches of the radial nerve innervates the following excepts: Long head of biceps brachii, Medial head of triceps brachia, Anconeus, Extensor carpi radialis brevis

Long head of the biceps brachii

40

The posterior interosseous nerve innervates the following except: Extensor digitorum, extensor carpi ulnaris, abductor pollicis brevis, extensor indicus

Abductor pollicis brevis

41

Erb's paralysis can be caused by the injury of ___ or ___

Upper trunk
C5, C6

42

Crutch paralysis can be caused by the injury of

Radial and/or ulnar nerves

43

Winging of the scapula is caused by the paralysis of ___ nerve of ___

Long thoracic N of C5, C6, C7

44

Name the injured nerve which might cause the wrist drop

Radial nerve