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Gross I Axilla and Brachial Plexus Quiz > Axilla and Brachial Plexus Quiz > Flashcards

Axilla and Brachial Plexus Quiz Flashcards

1
Q

What is the space between the arm and chest wall, which is th shape of a truncated pyramid

A

Axilla

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2
Q

What makes up the apex of the axilla

A

Its formed by the triangular space bounded by the clavicle scapula and the first rib

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3
Q

What makes up the base of the axilla

A

Skin and fascia

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4
Q

What makes up the anterior wall of the axilla

A

The pectoralis major

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5
Q

What makes up the posterior wall of the axilla

A

Latissimus dorsi and teres major

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6
Q

What makes up the medial wall of the axilla

A

Serratus anterior and upper ribs

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7
Q

What makes up the lateral wall of the axilla

A

Proximal medial aspect of the arm (bicipital furrow)

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8
Q

What are the contents of the axilla

A

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

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9
Q

What is the axillary sheath

A

The deep fascia that encloses the brachial plexus and the blood vessels

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10
Q

What are the spinal nerve roots of a normal brachial plexus

A

C5, C6, C7, C8, T1

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11
Q

What spinal nerve roots make up the upper trunk

A

C5 and C6

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12
Q

What spinal nerve root make up the middle trunk

A

C7

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13
Q

What spinal nerve roots make up the lower trunk

A

C8, T1

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14
Q

Segmental innervation of dorsal scapular

A

C5

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15
Q

Dorsal scapular nerve motor supply

A

Rhomboid major, rhomboid minor, levator scapula

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16
Q

Dorsal scapular articular supply

A

Acromioclavicular joint

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17
Q

Segmental innervation of long thoracic nerve

A

C5,C6,C7

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18
Q

Long thoracic nerve motor supply

A

Serratus anterior

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19
Q

Segmental innervation of suprascapular nerve

A

C5 and C6

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20
Q

Suprascapular nerve motor supply

A

Supraspinatus and infraspinatus

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21
Q

Suprascapular nerve articular supply

A

shoulder joint and acromioclavicular joint

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22
Q

Segmental innervation of nerve to subclavius

A

C5 and C6

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23
Q

Nerve to subclavius motor supply

A

Subclavius and diaphragm

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24
Q

Nerve to subclavius articular supply

A

Sternoclavicular Joint

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25
Q

Segmental innervation of lateral pectoral nerve

A

C5, C6, C7

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26
Q

Lateral pectoral nerve motor supply

A

Pectoralis Major

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27
Q

Segmental innervation of musculocutaneous nerve

A

C5, C6, C7

28
Q

Musculocutaneous nerve motor supply

A

Coracobrachialis, biceps brachii, and brachialis

29
Q

Musculocutaneous nerve articular supply

A

Elbow Joint

30
Q

Musculocutaneous nerve cutaneous supply

A

Lateral aspect of the forearm

31
Q

Segmental innervation of medial pectoral nerve

A

C8 and T1

32
Q

Medial pectoral nerve motor supply

A

Pectoralis major and pectoralis minor

33
Q

Segmental innervation of medial brachial cutaneous nerve

A

T1

34
Q

Medial brachial cutaneous nerve cutaneous supply

A

Medial aspect of arm

35
Q

Segemental innervation of ulnar nerve

A

C8 and T1

36
Q

Ulnar nerve motor supply

A

Flexor carpi ulnaris, half of flexor digitorum profundus, muscles associated with the fifth digit (hypothenar muscles)

37
Q

Ulnar nerve articular innervation

A

Elbow and wrist joints

38
Q

Segmental innervation of median nerve

A

C6, C7, C8, T1

39
Q

Median nerve motor supply

A

Anterior forearm (pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor pollicus longus, pronator quadratus and half of the flexor digitorum profundus), first digit (thenar muscles)

40
Q

Median nerve articular supply

A

Elbow and wrist joint

41
Q

Median nerve cutaneous supply

A

lateral 3/4 of the palmar surface of the palm and the skin of the first 3.5 digits (palmar and dorsal aspects)

42
Q

Segmental innervation of upper subscapular nerve

A

C5

43
Q

Upper subscapular nerve motor supply

A

Subscapularis

44
Q

Segmental innervation of lower subscapular nerve

A

C6

45
Q

Lower subscapular motor supply

A

subscapularis and teres major

46
Q

Segmental innervation of axillary nerve

A

C5 and C6

47
Q

Axillary nerve motor supply

A

Deltoid and teres minor

48
Q

Axillary nerve articular supply

A

Shoulder joint and acromioclavicular joint

49
Q

Axillary nerve cutaneous supply

A

Lateral aspect of the arm

50
Q

Segmental innervation of radial nerve

A

C5, C6, C6, C8, T1

51
Q

Radial nerve motor supply

A

Triceps brachii, anconeus, all posterior forearm muscles

52
Q

Radial nerve articular supply

A

Elbow and wrist joints

53
Q

Radial nerve cutaneous supply

A

Posterior arm and forearm, dorsum of hand, small area of skin below the thumb on the palmar aspect of the hand

54
Q

Dermatome of C4

A

Skin over the tip of the shoulder

55
Q

Dermatome of C5

A

Lateral side of the arm

56
Q

Dermatome of C6

A

Lateral side of the forearm, digits one and half of two

57
Q

Dermatome of C7

A

Skin of palm, digits two (half), three and four

58
Q

Dermatome of C8

A

Medial side of forearm, digit five

59
Q

Dermatome of T1

A

Medial side of arm

60
Q

Dermatome of T2

A

Skin of axilla

61
Q

Which nerve is the first to come off of the lateral cord

A

Lateral Pectoral Nerve

62
Q

Which nerve passes through the belly of the coracobrachialis muscles and then runs between the biceps brachii and the brachialis muscles

A

Musculocutaneous Nerve

63
Q

What is the first nerve to come off of the medial cord

A

Medial Pectoral Nerve

64
Q

What nerve is associated with the surgical neck of the humerus

A

Axillary Nerve

65
Q

What is the most common type of injury to the Brachial Plexus

A

Erb-Duchenne Palsy

66
Q

Erb-Duchenne Palsy will greatly reduce movements of what part of the body

A

Shoulder

67
Q

Klumpke’s Palsy will greatly reduce movement of what part of the body

A

Hands

Gross I Axilla and Brachial Plexus Quiz (1 decks)

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