Vasculature of Upper Limb (Midterm) Flashcards

1
Q

The axillary a. begins at the lateral border of the…

A

1st rib

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2
Q

The axillary a. begins at the lateral border of the 1st rib and ends at the….

A

inferior border of the teres major

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3
Q

The axillary a. is divided into 3 parts by what muscle?

A

pec minor

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4
Q

What are the 4 branches of the thoraco-acromial a.?

A

1) clavicular branch
2) acromial branch
3) deltoid branch
4) pectoral branch

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5
Q

What is the 1st division/part of the axillary a.?

test q

A

superior thoracic a.

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6
Q

What is the 2nd division/part of the axillary a.?

test q

A

thoracoacromial a. and lateral thoracic a.

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7
Q

What is the 3rd division/part of the axillary a.?

test q

A

1) subscapular a.
2) anterior circumflex humeral a.
3) posterior circumflex humeral a.

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8
Q

What does the superior thoracic a. supply?

A

-subclavius
-muscles in the 1st and 2nd intercostal spaces
-serratus anterior
-overlying pectoral muscles

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9
Q

The superior thoracic a. anastomoses with…

test q

A

intercostal arteries and/or internal thoracic arteries

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10
Q

The __________________ a. is a short wide trunk that pierces the costocoracoid membrane

A

thoracoacromial

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11
Q

What does the lateral thoracic a. supply?

A

-pec muscles
-serratus anterior
-intercostal muscles
-axillary lymph nodes
-lateral aspect of the breast

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12
Q

The lateral thoracic a. travels with who?

A

long thoracic n.

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13
Q

What is the largest branch of the axillary a.?

A

subscapular a.

note: opposite the origin of this artery, the anterior circumflex humeral a. and posterior circumflex humeral a. arise, sometimes by means of a common trunk

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14
Q

The subscapular a. terminates into….

A

circumflex scapular a. and thoracodorsal a.

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15
Q

The subscapular a. has the greatest diameter and terminates into the circumflex scapular a. and thoracodorsal a. The circumflex scapular a. is larger, and it supplies the muscles on the ______________________. It participates in the anastomoses around the scapula

A

dorsum of the scapula

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16
Q

The thoracodorsal a. mostly supplies the….

A

lats

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17
Q

The thoracodorsal n. runs with who?

A

thoracodorsal a.

note: thoracodorsal a. participates in the arterial anastomoses around the scapula

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18
Q

T/F: the circumflex humeral arteries anastomose with each other

A

true

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19
Q

Which circumflex humeral artery is smaller?

A

anterior circumflex humeral a.

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20
Q

The posterior circumflex humeral a. runs with the __________ n.

test q

A

axillary

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21
Q

Which artery supplies the glenohumeral joint, deltoid, teres major and minor, and long head of the triceps?

A

posterior circumflex humeral a.

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22
Q

The axillary v. is formed by the union of the _________ v. and the __________ v.

A

brachial, basilic

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23
Q

The axillary v. (1st part) ends at the lateral border of the 1st rib, where it becomes the ___________ v.

A

subclavian

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24
Q

The axillary v. receives directly or indirectly, the _________________ vein(s), where is/are formed by the anastomoses of superficial veins from the inguinal region with tributaries of the axillary v. (usually the lateral thoracic v.)

A

thoracoepigastric

note: these veins constitute a collateral route that enables venous return in the presence of obstruction of the IVC)

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25
Q

Which a. is the main arterial supply to the arm?

A

brachial a.

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26
Q

The brachial a. is a continuation of the ________ a.

A

axillary

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27
Q

The brachial a. begins at the inferior border of the teres major and ends in the cubital fossa. It divides into ________ and ________ arteries

A

radial, ulnar

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28
Q

Which a. is this?
-its pulsations are palpable in the medial bicipital groove

A

brachial a.

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29
Q

The brachial a. accompanies the _________ n.

A

median

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30
Q

What are the 4 main branches of the brachial a.?

A

1) deep a. of the arm
2) nutrient a.
3) superior ulnar collateral a.
4) inferior ulnar collateral a.

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31
Q

The superior and inferior ulnar collateral arteries are 2 of 4 main branches for the brachial a. They help form the periarticular arterial anastomoses of the _______ region

A

elbow

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32
Q

What is the largest branch of the brachial a.?

A

deep a. of the arm

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33
Q

Which a. runs with the radial n. along the radial groove?

A

deep a. of the arm

34
Q

The deep a of the arm terminates into…

A

middle and radial collateral arteries

35
Q

Which a. enters the nutrient canal on the anteromedial surface of the humerus?

A

humeral nutrient a.

36
Q

Which a. runs with the ulnar n. posterior to the medial epicondyle of the humerus?

A

superior ulnar collateral a.

37
Q

Which a. anastomoses with the posterior ulnar recurrent a.?

A

superior ulnar collateral a.

38
Q

Which a. runs anterior to the medial epicondyle of the humerus?

A

inferior ulnar collateral a.

39
Q

Which a. anastomoses with the anterior ulnar recurrent a.?

A

inferior ulnar collateral a.

40
Q

What are the 2 sets of veins in the arm?

A

superficial and deep (they anastomose freely with each other, also both have valves but they are more numerous in the deep veins)

41
Q

The superficial veins are in the ____________ tissue and the deep veins accompany the arteries

A

subcutaneous

42
Q

What is the superior boundary of the cubital fossa?

test q

A

imaginary line connecting the medial and lateral epicondyles

43
Q

What is the medial boundary of the cubital fossa?

test q

A

flexor muscles of the forearm

44
Q

What is the lateral boundary of the cubital fossa?

test q

A

mass of extensor muscles of the forearm

45
Q

What is the floor of the cubital fossa?

test q

A

brachialis and supinator

46
Q

The roof of the cubital fossa is formed by the continuity of brachial and ___________ fascia reinforced by the bicipital aponeurosis, subcutaneous tissue, and skin

A

antebrachial (deep)

47
Q

What are the contents of the cubital fossa?

A

-terminal part of the brachial a.
-radial a.
-ulnar a.
-biceps brachii tendon
-median n.
-radial n.
-median cubital v.
-medial and lateral antebrachial cutaneous nerves, related to the basilic and cephalic veins

48
Q

What is the origin of the ulnar a.?

A

brachial a.

49
Q

The ulnar a. courses through the….

A

medial forearm

50
Q

What is the origin of the posterior ulnar recurrent a.?

A

ulnar a.

51
Q

The posterior ulnar recurrent a. anastomoses with the….

A

superior ulnar collateral a.

52
Q

What is the origin of the anterior ulnar recurrent a.?

A

ulnar a.

53
Q

The anterior ulnar recurrent a. anastomoses with the…

A

inferior ulnar collateral a.

54
Q

What is the origin of the common interosseous a.?

A

ulnar a.

55
Q

The common interosseous a. divides into….

test q

A

anterior and posterior interosseous arteries

56
Q

What is the origin of the recurrent interosseous a.?

A

posterior interosseous a.

57
Q

The recurrent interosseous a. anastomoses with the….

A

middle collateral a.

58
Q

The palmar carpal branch of the ulnar a. anastomoses with the….

A

palmar carpal branch of the radial a.

59
Q

The superficial palmar arch is a direct continuation of what artery?

test q

A

ulnar a.

59
Q

The superficial palmar arch divides into….

test q

A

common palmar digital arteries

60
Q

What is the origin of the radial a.?

A

brachial a.

61
Q

The radial a. courses through the…

A

lateral forearm

62
Q

What is the origin of the radial recurrent a.?

A

radial a.

63
Q

The radial recurrent a. anastomoses with the….

A

radial collateral a.

64
Q

The palmar carpal branch of the radial a. anastomoses with the palmar carpal ulnar branch to form the….

A

palmar carpal arch

65
Q

The dorsal carpal branch of the radial a. anastomoses with the dorsal carpal ulnar a. to form the….

A

dorsal carpal arch

66
Q

The deep palmar arch is a direct continuation of what artery?

A

radial a.

67
Q

The deep palmar arch of the radial a. forms the superficial arch which divides into….

A

common palmar digital arteries

68
Q

What is the origin of the common palmar digital arteries?

A

superficial palmar arch

69
Q

The common palmar digital arteries course through the palm and…

A

lumbricals

70
Q

What is the origin of the proper palmar digital arteries?

A

common palmar digital arteries

71
Q

The proper palmar digital arteries course through the sides of _______ fingers

A

2nd-5th

72
Q

What is the origin of the princeps pollicis a.?

A

radial a.

73
Q

The princeps pollicis a. course through the….

A

1st metacarpal

74
Q

What is the origin of the radialis indicis a.?

A

radial a.

75
Q

The radialis indicis a. courses along the lateral side of the….

A

index finger to its distal end

76
Q

What is the origin of the palmar metacarpal branches?

A

deep palmar arch

77
Q

What is the origin of the dorsal metacarpal branches?

A

dorsal carpal arch

78
Q

T/F: the radial and ulnar veins drain the forearm but carry relatively little blood from the hand

A

true

79
Q

What are the 2 branches of the subscapular a.?

A

thoracodorsal a. and circumflex scapular a.

80
Q

What is the first branch of the brachial a.?

test q

A

deep a. of the arm

81
Q

What are the 2 branches of the deep a. of the arm?

A

1) radial collateral a.
2) middle collateral a.