Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

SF1 2 > Brachial Plexus > Flashcards

Brachial Plexus Flashcards

1
Q

Divisions of the brachial plexus in order from proximal to distal

A

Roots, trunks, divisions, cords, branches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mnemonic for brachial plexus divisions

A

Real Texans Drink Cold Beer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Somatic network of nerves formed by the union of the ventral rami of spinal nerves C5-C8 and T1

A

brachial plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Spinal nerves which make up the brachial plexus

A

C5-C8, T1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The clavicle divides the brachial plexus into…

A

the supraclavicular and infraclavicular part of brachial plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Branches from the brachial plexus which separate directly from the roots (2)

A

dorsal scapular and long thoracic nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Branches from root of C5 in brachial plexus. Motor innervation to levator scapulae, rhmoboid major, and rhomboid minor muscles.

A

dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Motor innervation to serratus anterior muscle. Branches from root of C5-C7 in brachial plexus. Lies on the superficial aspect of the serratus anterior muscle.

A

long thoracic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Three trunks of the brachial plexus

A

Superior, middle, and inferior trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Trunk of the brachial plexus. Formed by union of C5 and C6 roots

A

superior trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Trunk of the brachial plexus. Formed by C7 root

A

middle trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Trunk of the brachial plexus. Formed by union of C8 and T1 roots. Lies on rib 1 posterior to the subclavian artery

A

inferior trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Branches directly from superior trunk of the brachial plexus (2)

A

Suprascapular nerve and nerve to subclavius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Nerve to subclavius innervates…

A

subclavius muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Suprascapular nerve innervates… (2)

A

supraspinatus and infraspinatus muscle (2/4 rotator cuff muscles)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The suprascapular artery, which participates in shoulder anastomosis, is a branch of what vessel?

A

thyrocervical trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Each of the 3 trunks of the brachial plexus divide into what?

A

Anterior and posterior divisions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The 3 posterior divisions combine to form parts of the brachial plexus that give rise to nerves associated with….

A

posterior compartments of the upper limb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The 3 anterior divisions form parts of the brachial plexus that ultimately give rise to peripheral nerves associated with…

A

the anterior compartments of the upper limb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Brachial plexus cord posterior to the 2nd part of the axillary artery

A

posterior cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Brachial plexus cord medial to the 2nd part of the axillary artery

A

medial cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Brachial plexus cord lateral to the 2nd part of the axillary artery

A

lateral cord

23
Q

Origins of the posterior cord of the brachial plexus

A

all posterior divisions

24
Q

Origins of the lateral cord of the brachial plexus

A

anterior divisions from the superior and middle trunk

25
Q

Origins of the medial cord of the brachial plexus

A

anterior division of the inferior trunk

26
Q

Five nerves originating from the posterior cord of the brachial plexus

A

1) upper subscapular
2) thoracodorsal
3) lower subscapular
4) axillary nerve
5) radial nerve

27
Q

Side branches of the posterior cord (3)

A

1) upper subscapular nerve
2) thoracodorsal nerve
3) lower subscapular nerve

28
Q

Motor innervation of the subscapularis and teres major muscles

A

Lower subscapular nerve

29
Q

Motor innervation of the latissimus dorsi muscle

A

thoracodorsal nerve

30
Q

Motor innervation of the subscapularis muscle only

A

upper subscapular nerve

31
Q

Terminal branches of the posterior cord of brachial plexus (2)

A

Axillary and radial nerve

32
Q

Motor (2) and sensory (1) innervation of the axillary nerve

A

Motor: deltoid and teres minor muscle
Sensory: skin of upper lateral arm

33
Q

Artery accompanying the axillary nerve

A

posterior circumflex humeral artery

34
Q

Motor (2) and sensory (4) innervation of the radial nerve

A

Motor: extensors of posterior arm and posterior forearm
Sensory: skin of posterior arm, posterior forearm, dorsolateral hand, and proximal part of dorsum of lateral 3.5 digits

35
Q

Largest terminal branch of posterior cord

A

radial nerve

36
Q

Artery accompanying radial nerve

A

deep brachial artery

37
Q

Single side branch of the lateral cord of the brachial plexus

A

lateral pectoral nerve

38
Q

Motor innervation of lateral pectoral nerve

A

pectoralis major

39
Q

Side branches of the medial cord (3)

A

1) medial pectoral nerve
2) medial cutaneous nerve of the arm
3) medial cutaneous nerve of the forearm

40
Q

Lateral to the lateral pectoral nerve (named for the cord it branches from not its relation). Innervates the pectoralis major and minor muscles.

A

Medial pectoral nerve

41
Q

Cutaneous innervation of the medial distal 3rd of the arm. Communicates with intercostobrachial nerve of T2

A

Medial cutaneous nerve of the arm

42
Q

Cutaneous innervation to skin over biceps brachii muscle then down arm to supply skin of anterior/medial surface of forearm

A

medial cutaneous nerve of the forearm

43
Q

Terminal branches of lateral cord (2)

A

1) musculocutaneous nerve

2) lateral part of median nerve

44
Q

Motor and sensory functions of musculocutaneous nerve

A

Motor: anterior arm muscles
Sensory: lateral forearm

45
Q

What innervates all 3 flexor muscles in the anterior arm (coracobrachialis, biceps brachii, and brachialis)

A

musculocutaneous nerve

46
Q

Three flexor muscles in the anterior arm

A

coracobrachialis, biceps brachii, and brachialis

47
Q

What does the musculocutaneous nerve become in the forearm

A

lateral cutaneous nerve of the forearm

48
Q

Terminal branches of the medial cord of the brachial plexus (2)

A

median part of median nerve and ulnar nerve

49
Q

Motor innervation of ulnar nerve (2)

A

1) 1.5 muscles of anterior forearm

2) most intrinsic muscles of the hand

50
Q

Sensory innervation of ulnar nerve (3)

A

1) medial 1/3 of palm
2) dorsal hand
3) medial 1.5 fingers (palmar and dorsal sides)

51
Q

Formed by a branch from the lateral cord and a branch from the medial cord (brachial plexus)

A

median nerve

52
Q

Motor innervation of median nerve (2)

A

1) most muscles of anterior forearm (except flexor carpi ulnaris is ulnar nerve)
2) some intrinsic muscles of hand (except medial half of the flexor digitorum profundus is ulnar nerve)

53
Q

Sensory innervation of median nerve (2)

A

1) lateral 2/3 of palm

2) palmar side of lateral 3.5 fingers (+nail beds)

SF1 2 (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions