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Palmer gross 1 > Quiz 3 (Brachial Plexus) > Flashcards

Quiz 3 (Brachial Plexus) Flashcards

1
Q

this is the space between the arm and the chest wall?

A

axilla

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2
Q

the triangular space bounded by the clavicle, scapula and the first rib

A

apex

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3
Q

the ____ (lower portion) is made up of skin and fascia

A

base

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4
Q

the ______ wall is formed by the _______ major

A

anterior, pectoralis

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5
Q

the posterior wall is by the _____ _____ and _____ ____

A

latissimus dorsi, teres major

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6
Q

the ______ ______ is by the proximal medial aspect of the arm (bicipital furrow)

A

lateral wall

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7
Q

the_____ is an important passageway between the upper extremity and the neck

A

axilla

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8
Q

Contents of the axilla include the …..

A

brachial plexus, axillary artery and vein, lymph nodes and adipose tissue

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9
Q

the _______ _______ is the term given to the deep fascia that encloses the brachial plexus and the blood vessels

A

axillary sheath

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10
Q

in the axilla, the nerves that are about to enter the upper extremity, come together to form a nerve plexus known as the….

A

brachial plexus

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11
Q

five spinal nerves form a normal plexus —–

A

C5, C6, C7, C8 AND T1

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12
Q

Upper trunk formed by the union of

A

C5 and C6

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13
Q

middle trunk formed by

A

C7 alone

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14
Q

lower trunk formed by the union of

A

C8 and T1

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15
Q

each trunk divides into an

A

anterior and posterior division

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16
Q

Fusion of the anterior division of the upper and middle trunks form the ______, which contains fibers from ___, ___ and ___

A

lateral cord, C5 C6 C7

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17
Q

Fusion of the anterior division of the lower trunk form the ______, which contains fibers from ___ and ____.

A

medial cord, C8 and T1

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18
Q

Fusion of the posterior division of all three trunks form the ______, which contains fibers from ___, ___, ___, ___ and ___

A

posterior cord, C5-8 and T1

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19
Q

the cords of the brachia plexus are named to show their relationship to the _____ _____

A

axillary artery

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20
Q

Nerves of the brachial plexus directly from the spinal nerves

A

dorsal scapular and long thoracic

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21
Q

Nerves of the brachial plexus from the upper trunk

A

suprascapular and nerve to the sublavius

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22
Q

Nerves of the brachial plexus from the lateral cord

A

lateral pectoral, musculocutaneous, and part of the median

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23
Q

Nerves of the brachial plexus from the medial cord

A
  • medial pectoral
  • medial brachial cutaneous
  • medial antebrachial cutaneous
  • ulnar
  • part of the median
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24
Q

Nerves of the brachial plexus from the posterior cord

A
  • upper subscapular
  • lower subscapular
  • thoracodorsal
  • axillary
  • radial
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25
Q

nerves which comes off of the spinal nerves roots and the upper trunk (above clavicle)

A

supraclavicular portion of the brachial plexus

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26
Q

nerves which come off of the cords (below the clavicle)

A

Infraclavicular Portion of the Brachial Plexus

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27
Q

descend down the back, deep to the rhomboid and levator scapula muscles

A

dorsal scapular nerve

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28
Q

Is the nerve that gives motor supply to the rhomboid major, rhomboid minor and levator scapula

A

dorsal scapular nerve

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29
Q

Nerve that gives articular supply to the acromioclavicular joint

A

dorsal scapular nerve

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30
Q

The nerve that descends posteriorly from the spinal nerves that form the plexus to the anterior lateral aspect of the thoracic cage

A

Long thoracic Nerve

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31
Q

Long Thoracic Nerve segmental innervation is

A

C5, C6 and C7

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32
Q

Nerve that gives motor supply to the serratus anterior

A

Long Thoracic Nerve

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33
Q

passes laterally across the cervical region (deep to the trapezius) and deep to the muscles associated with the posterior aspect of the scapula

A

suprascapular nerve

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34
Q

the nerve that passes from the supraspinatus fossa to the infraspinous fossa via an opening in the spine of the scapula

A

suprascapular nerve

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35
Q

Segmental innervation of supracapular nerve is

A

C5 and C6

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36
Q

This nerve gives motor supply to the supraspinatus and infraspinatus

A

suprascapular nerve

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37
Q

Articular supply to the shoulder joint and acromioclavicular joint

A

suprascapular nerve

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38
Q

This nerve descends posteriorly to the clavicle

A

nerve to the subclavius

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39
Q

Nerve to the subclavius often given a branch to the phrenic nerve (which supplies the diaphragm muscle), which is known as the

A

accessory phrenic nerve

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40
Q

Nerve to the subclavius segmental innervation is

A

C5 and C6

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41
Q

This nerve gives motor supply to the subclavius and diaphragm

A

Nerve to the Subclavius

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42
Q

Nerve to the subclavius articular supply to the

A

sternoclavicular joint

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43
Q

The first nerve to come off of the lateral cord

A

Lateral Pectoral Nerve

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44
Q

Lateral Pectoral Nerve segmental innervation is

A

C5, C6 and C7

45
Q

Lateral Pectoral Nerve gives motor supply to the

A

pectoralis major

46
Q

One of the terminal branches of the lateral cord

A

Musculocutaneous Nerve

47
Q

as it leaves the axilla it always passes through the belly of the coracobrachialis muscle and then runs between the biceps brachii and brachialis muscles

A

Musculocutaneous Nerve

48
Q

This nerve continues into the forearm as the lateral antebrachial cutaneous nerve

A

Musculocutaneous Nerve

49
Q

Nusculocutaneous Nerve segmental innervation is the

A

C5, C6, and C7

50
Q

This nerve gives motor supply to the coracobrachialis, biceps brachii and brachialis

A

Musculocutaneous Nerve

51
Q

Musculocutaneous Nerve articular supply to the

A

elbow joint

52
Q

Musculocutaneous Nerve cutaneous supply to the

A

lateral aspect of the forearm

53
Q

First nerve to come off the medial cord

A

Medial Pectoral Nerve

54
Q

Medial Pectoral Nerve segmental innervation is

A

C8 and T1

55
Q

Medial Pectoral nerve motor supply to both the

A

pectoralis major and pectoralis minor

56
Q

Medial Brachial Cutaneous Nerve segmental innervation is

A

T1

57
Q

Medial Brachial Cutaneous Nerve cutaneous supply to the

A

medial aspect of the arm

58
Q

Medial Antebrachial Cutaneous Nerve segmental innervation is

A

C8 and T1

59
Q

Medial Antebrachial Cutaneous Nerve cutaneous supply to the

A

medial aspect of the forearm

60
Q

This nerve is one of the terminal branches of the medial cord

A

Ulnar Nerve

61
Q

This nerve descends between the axillary artery and vein down the medial aspect of the arm

A

Ulnar Nerve

62
Q

As this nerve leaves the arm, it becomes superficial as it passes through the groove for the ______ ______ at the distal end of humerus

A

Ulnar Nerve

63
Q

This nerve will cross the wrist joint and enters the hand, where it divides into several branches

A

ulnar nerve

64
Q

Ulnar nerve segmental innervation is

A

C8 and T1

65
Q

Ulnar nerve gives motor supply to the ______ ______ _____ and half of the ______ _____ ____; and muscles associated with the ____ ____

A

flexor carpi ulnaris, flexor digitorum profundus, fifth digit

66
Q

Muscles of the fifth digit are known as the…

A

hypothenar muscles

67
Q

This nerve give cutaneous supply to the 1/4 medial aspect of the palm and dorsum of the hand; skin of digits five and part of digit four

A

Ulnar nerve

68
Q

only branch of the brachial plexus which is formed from more than one cord (lateral and medial)

A

Median Nerve

69
Q

This nerve descends distally in the medial aspect of the arm, just lateral to the ulnar nerve

A

Median Nerve

70
Q

when this nerve enters the forearm, it does so by passing between the bellies of the pronator teres muscle and then descends down the middle of the anterior forearm (between the flexor digitorum superificialis and profundus muscles)

A

median nerve

71
Q

This nerve enters the hand by passing deep to the flexor retinaculum, where it enters into the palm and gives off numerous branches

A

median nerve

72
Q

Median Nerve segmental innervation is

A

C6, C7, C8 and T1

73
Q

Gives motor supply to most of the muscles of the anterior forearm and most of the muscles associated with the first digit (thumb)

A

Median Nerve

74
Q

Muscles associated with the first digit (thumb)

A

thenar muscles

75
Q

Median Nerve gives articular supply to the

A

elbow and wrist joint

76
Q

This nerve gives cutaneous supply to the lateral ¾ of the palmar surface of the palm and the skin of the first 3 ½ digits (palmar and dorsal aspects)

A

Median Nerve

77
Q

Upper subscapular nerve segmental innervation is

A

C5

78
Q

Upper subscapular nerve gives motor supply to the

A

subscapularis

79
Q

Lower subscapular nerve segmental innervation is

A

C6

80
Q

Lower subscapular nerve gives motor supply to the

A

subscapularis and teres major

81
Q

This nerve runs down the lateral aspect of the thoracic cage, just lateral to the long thoracic nerve

A

Thoracodorsal Nerve

82
Q

thoracodorsal nerve segmental innervation is

A

C6, C7 and C8

83
Q

Thoracodorsal nerve gives motor supply to the

A

latissimus dorsi

84
Q

The nerve that is the smaller and most lateral of the terminal branches of the posterior cord

A

Axillary Nerve

85
Q

This nerve is associated with the surgical neck of the humerus

A

Axillary Nerve

86
Q

Axillary Nerve segmental innervation is

A

C5 and C6

87
Q

Axillary nerve gives motor supply to the

A

deltoid and teres major

88
Q

Axillary Nerve gives articular supply to the

A

shoulder joint and acromioclavicular joint

89
Q

This nerve gives cutaneous supply to the lateral aspect of the arm from a specific cutaneous branch of the nerve which is known as the lateral brachial cutaneous

A

Axillary nerve

90
Q

This nerve is the larger and more medial of the terminal branches of the posterior cord

A

Radial Nerve

91
Q

This nerve descends distally from the axilla to the posterior aspect of the arm, where it comes in contact with the shaft of the humerus at the spiral groove (behind the deltoid tuberosity), between the lateral and medial heads of the triceps brachii

A

radial nerve

92
Q

Radial nerve divides into ______ and ____ ____ when it enters the forearm

A

superficial, deep branches

93
Q

Radial Nerve segmental innervation is

A

C5, C6, C7, C8 and T1

94
Q

Radial nerve gives motor supply to the

A

triceps brachii and anconeus and all the posterior forearm muscles

95
Q

Radial nerve gives articular supply to the

A

elbow and wrist joints

96
Q

This nerve gives cutaneous supply to most of the posterior arm and forearm; dorsum of the hand (not supplied by the median or the ulnar nerves); small area of skin below the thumb on the palmar aspect of the hand

A

Radial nerve

97
Q

if a ______ _____of one single spinal nerve is damaged or compromised, a large area of skin will be affected

A

sensory root

98
Q

the area of skin supplied by the sensory root of a single spinal nerve is known as

A

Dermatomes

99
Q

Dermatomes of the Upper extremity; skin over the tip of the shoulder (acromion process)

A

C4

100
Q

Dermatomes of the Upper extremity; lateral (radial) side of the arm

A

C5

101
Q

Dermatomes of the Upper extremity; lateral (radial) side of the forearm; digits one (and two)

A

C6

102
Q

Dermatomes of the Upper extremity; skin of the palm; digits (two), three and four

A

C7

103
Q

Dermatomes of the Upper extremity; medial (ulnar) side of the forearm; digit five

A

C8

104
Q

Dermatomes of the Upper extremity; medial (ulnar) side of the arm

A

T1

105
Q

Dermatomes of the Upper extremity; skin of the axilla

A

T2

106
Q

is a plexus in which C4 is the most superior spinal nerve root forming the plexus, C8 would be the most inferior spinal nerve

A

prefixed brachial plexus

107
Q

is a plexus in which C6 is the most superior spinal nerve root, T2 would be the most inferior spinal nerve root

A

postfixed brachial plexus

108
Q

Example of Normal, prefixed and postfixed of musculocutaneous

A

Normal C5-7, prefixed C4-6, postfixed C6-8

Palmer gross 1 (1 decks)

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