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Gross Anatomy > quiz 3 > Flashcards

quiz 3 Flashcards

1
Q

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

A

Axilla

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2
Q

What space is an important passage way between the upper extremity and the neck ?

A

Axilla

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3
Q

The nerves that are about to enter the upper extremity come together to form a nerve plexus known as

A

Brachial plexus

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4
Q

Where are Brachial Plexus derived from

A

the upper extremity within the axilla. They come together to form a neve plexus.

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5
Q

What allows the nerve fibers derived from different segments of the spinal cord to be arranged and distributed efficiently in different nerve trunks to various parts of the upper extremity?

A

Brachial Plexus

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6
Q

What are the five spinal nerves that form a normal brachial plexus?

A

C5,C6,C7,C8 and T1

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7
Q

What is the upper trunk of brachial plexus formed by ?

A

Union of C5 and C6

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8
Q

What is the middle trunk of the brachial plexus formed by?

A

C7 alone

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9
Q

What is the lower trunk of the brachial plexus formed by ?

A

Union of C8 and T1

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10
Q

How is each trunk of brachial plexus divided ?

A

Anterior and posterior

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11
Q

What is the lateral cord of the brachial plexus formed from

A

Fusion of the anterior division of the upper and middle trunk ; contains fibers form C5,C6,C7.

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12
Q

What is the medial cord of the brachial plexus formed from

A

anterior division of the lower trunk; contains fibers from C8 and T1.

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13
Q

What is the posterior cord of the brachial plexuses formed from?

A

Posterior division of all three cords, contains fibers from C5, C6,C7,C8 and T1

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14
Q

How are the cords of the brachial plexus named ?

A

To show their relationship to the axillary artery.

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15
Q

What neve descends down the back, deep to the rhomboid major and minor and the levator scapular muscles.

A

Dorsal scapular nerve.

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16
Q

What is the dorsal scapula nerve segmental innervation?

A

C5

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17
Q

What nerve descends posteriorly from the spinal nerves and form the plexus to the anterior lateral aspect of the thoracic cage ?

A

Long thoracic nerve

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18
Q

What is the long thoracic nerves segmental innervation ?

A

C5,C6,C7

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19
Q

What is the long thoracic nerves motor supple

A

Serratus anterior

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20
Q

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

A

Suprascapular nerve

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21
Q

How does the suprascapular nerve pass from the supraspinatus fossa to the infraspinatus fossa

A

An opening in the spine of the scapula

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22
Q

What is the suprascapular nerves segmental innervation?

A

C5 and C6

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23
Q

What is the suprascapular neve motor supple

A

Supraspinatus and infraspinatus

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24
Q

What is the suprascapular supply

A

Shoulder joint (glenohumeral joint)

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25
Q

What is the nerve to the subclavius segmental innervation?

A

C5 and C6

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26
Q

What is the nerve to the subclavian motor supply ?

A

Subclavius and diaphragm.

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27
Q

What is the nerve to the subclavius articular supply

A

Sternoclavicular joint

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28
Q

What nerve is the first nerve to come off the lateral cord

A

Lateral pectoral nerve

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29
Q

What is the lateral pectoral nerves segmental innervation?

A

C6, C6, and C7

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30
Q

What is the lateral pectoral nerve’s motor supply

A

Pectoralis major

31
Q

What nerve leaves the axilla and passes though the belly of the coracobrachialis muscle and then runs between the biceps brachaii and brachialis muscle, then continues into the forearm as the lateral antebrachial cutaneous nerve

A

Musculocutaneous Nerve.

32
Q

What is the musculocutaneous nerves segmental innervations

A

C5, C6 and C7

33
Q

What is the musculocutaneous nerve motor supply?

A

Corabrachialis, biceps brachii and brachialis

34
Q

What is the musculocutaneous nerves articular supply?

A

Elbow Joint

35
Q

What is the musculocutaneous nerves supply

A

Lateral aspect of the forearm

36
Q

What is the suprascapular nerve’s motor supply?

A

Shoulder Joint ( glenohumeral Joint)

37
Q

What nerve descends down the back, deep to the rhomboid and levator scapula muscles

A

Dorsal Scapular nerve

38
Q

What is the dorsal Scapular nerves segmental innervation?

A

C5

39
Q

What is the dorsal scapular nerve’s motor supply?

A

Rhomboid Major, rhomboid minor and levator scapular

40
Q

What is the articular supply to the Acromioclavicular joint?

A

Doral scapular nerve

41
Q

What nerve Descends posteriorly from the spinal nerves and forms the plexus to the anterior lateral aspect of the thoracic cage

A

Long thoracic nerve

42
Q

What is the long thoracic nerves segmental innervation?

A

C5, C6 and C7

43
Q

what nerve 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

44
Q

How does the suprascapular nerve pass from the supraspinatus fossa to the infraspinatus fossa?

A

An opening in the spine of the scapula

45
Q

What is the suprascapular nerves segmental innervation?

A

C5 and C6

46
Q

What is the suprascapular nerve’s motor supply

A

supraspinatus and infraspinatus

47
Q

What is the suprascapular nerve’s articular supply

A

Shoulder joint ( glenohumeral joint )

48
Q

What nerve descends posteriorly to the clavicle

A

nerve to the subclavius

49
Q

What is often given a branch to the phrenic nerve which is known as the accessory phrenic nerve?

A

Nerve to subclavius

50
Q

What is the nerve to the subclavius segmental innervation

A

C5 and C6

51
Q

What is the nerve to the subclavius motor supply

A

Subclavius and diaphragm

52
Q

What is the nerve to the subclavius articular supply?

A

Sternoclavicular joint

53
Q

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

A

Lateral pectoral nerve

54
Q

What is the lateral pectoral nerves segmental innervation?

A

C5, C6 and C7

55
Q

What is the lateral pectoral nerves motor supple

A

Pectoralis major

56
Q

What nerve leaves the axilla and passes through the belly of the coracobrachialis muscle and then runs between the biceps brachii and brachialis muscle, then continues into the forearm as the lateral antebrachial cutaneous nerve.

A

Musculocutaneous nerve

57
Q

what is the musculocutaneous nerves segmental innervation?

A

C5,C6, C7

58
Q

What is the musculocutaneous nerve’s motor supply

A

coracobrachialis, biceps brachii and brachialis

59
Q

What is the musculocutaneous nerve’s articular supply ?

A

Elbow joint

60
Q

What is the musculocutaneous nerves cutaneous supply

A

Lateral aspect of the forearm ?

61
Q

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

A

medial pectoral nerve

62
Q

What is the medial pectoral nerves segmental innervation?

A

C8 and T1

63
Q

What is the medial pectoral nerves motor nerves motor supply?

A

pectoralis major and pectoralis minor

64
Q

What is the medial brachial cutaneous nerve’s segmental innervations?

A

T1

65
Q

What is the medial brachial cutaneous nerves cutaneous supply?

A

Medial aspect of them arm

66
Q

What is the medial antebrachial cutaneous nerves segmental innervation?

A

C8 and T1

67
Q

What is the medial antebrachial cutaneous nerves cutaneous supply

A

medial aspect of the forearm

68
Q

What is the ulnar nerves segmental innervation?

A

C8 and T1

69
Q

What is the ulnar nerves motor supply?

A

Flexor Carpi ulnaris, half of the flexor digitorum profundus
muscles associated with the fifth digit, which are collectively known as the hypothenar muscles

70
Q

What is the ulnar nerves articular supply

A

Elbow and wrist joints

71
Q

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

A

Median nerve

72
Q

What is the median nerves segmental innervation?

A

C6,C7,C8 and T1 (not C5)

73
Q

What is the median nerves motor supply ?

A

Most of the muscles of the anterior fora

Gross Anatomy (14 decks)

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