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Back & Extremities > Vasculature of Upper Limb (Midterm) > Flashcards

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
Which a. is the main arterial supply to the arm?
brachial a.
26
The brachial a. is a continuation of the ________ a.
axillary
27
The brachial a. begins at the inferior border of the teres major and ends in the cubital fossa. It divides into ________ and ________ arteries
radial, ulnar
28
Which a. is this? -its pulsations are palpable in the medial bicipital groove
brachial a.
29
The brachial a. accompanies the _________ n.
median
30
What are the 4 main branches of the brachial a.?
1) deep a. of the arm 2) nutrient a. 3) superior ulnar collateral a. 4) inferior ulnar collateral a.
31
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
elbow
32
What is the largest branch of the brachial a.?
deep a. of the arm
33
Which a. runs with the radial n. along the radial groove?
deep a. of the arm
34
The deep a of the arm terminates into...
middle and radial collateral arteries
35
Which a. enters the nutrient canal on the anteromedial surface of the humerus?
humeral nutrient a.
36
Which a. runs with the ulnar n. posterior to the medial epicondyle of the humerus?
superior ulnar collateral a.
37
Which a. anastomoses with the posterior ulnar recurrent a.?
superior ulnar collateral a.
38
Which a. runs anterior to the medial epicondyle of the humerus?
inferior ulnar collateral a.
39
Which a. anastomoses with the anterior ulnar recurrent a.?
inferior ulnar collateral a.
40
What are the 2 sets of veins in the arm?
superficial and deep (they anastomose freely with each other, also both have valves but they are more numerous in the deep veins)
41
The superficial veins are in the ____________ tissue and the deep veins accompany the arteries
subcutaneous
42
What is the superior boundary of the cubital fossa? test q
imaginary line connecting the medial and lateral epicondyles
43
What is the medial boundary of the cubital fossa? test q
flexor muscles of the forearm
44
What is the lateral boundary of the cubital fossa? test q
mass of extensor muscles of the forearm
45
What is the floor of the cubital fossa? test q
brachialis and supinator
46
The roof of the cubital fossa is formed by the continuity of brachial and ___________ fascia reinforced by the bicipital aponeurosis, subcutaneous tissue, and skin
antebrachial (deep)
47
What are the contents of the cubital fossa?
-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
What is the origin of the ulnar a.?
brachial a.
49
The ulnar a. courses through the....
medial forearm
50
What is the origin of the posterior ulnar recurrent a.?
ulnar a.
51
The posterior ulnar recurrent a. anastomoses with the....
superior ulnar collateral a.
52
What is the origin of the anterior ulnar recurrent a.?
ulnar a.
53
The anterior ulnar recurrent a. anastomoses with the...
inferior ulnar collateral a.
54
What is the origin of the common interosseous a.?
ulnar a.
55
The common interosseous a. divides into.... test q
anterior and posterior interosseous arteries
56
What is the origin of the recurrent interosseous a.?
posterior interosseous a.
57
The recurrent interosseous a. anastomoses with the....
middle collateral a.
58
The palmar carpal branch of the ulnar a. anastomoses with the....
palmar carpal branch of the radial a.
59
The superficial palmar arch is a direct continuation of what artery? test q
ulnar a.
59
The superficial palmar arch divides into.... test q
common palmar digital arteries
60
What is the origin of the radial a.?
brachial a.
61
The radial a. courses through the...
lateral forearm
62
What is the origin of the radial recurrent a.?
radial a.
63
The radial recurrent a. anastomoses with the....
radial collateral a.
64
The palmar carpal branch of the radial a. anastomoses with the palmar carpal ulnar branch to form the....
palmar carpal arch
65
The dorsal carpal branch of the radial a. anastomoses with the dorsal carpal ulnar a. to form the....
dorsal carpal arch
66
The deep palmar arch is a direct continuation of what artery?
radial a.
67
The deep palmar arch of the radial a. forms the superficial arch which divides into....
common palmar digital arteries
68
What is the origin of the common palmar digital arteries?
superficial palmar arch
69
The common palmar digital arteries course through the palm and...
lumbricals
70
What is the origin of the proper palmar digital arteries?
common palmar digital arteries
71
The proper palmar digital arteries course through the sides of _______ fingers
2nd-5th
72
What is the origin of the princeps pollicis a.?
radial a.
73
The princeps pollicis a. course through the....
1st metacarpal
74
What is the origin of the radialis indicis a.?
radial a.
75
The radialis indicis a. courses along the lateral side of the....
index finger to its distal end
76
What is the origin of the palmar metacarpal branches?
deep palmar arch
77
What is the origin of the dorsal metacarpal branches?
dorsal carpal arch
78
T/F: the radial and ulnar veins drain the forearm but carry relatively little blood from the hand
true
79
What are the 2 branches of the subscapular a.?
thoracodorsal a. and circumflex scapular a.
80
What is the first branch of the brachial a.? test q
deep a. of the arm
81
What are the 2 branches of the deep a. of the arm?
1) radial collateral a. 2) middle collateral a.

Back & Extremities (10 decks)

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