Extremities Part 6 (Upper Circulation and Nerves) Flashcards

circulation

1
Q

Following the flow of blood from the heart what is the first branch of the aortic arch?

A

Brachiocephalic trunk

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2
Q

The brachiocephalic trunk bifurcates into what two arteries?

A

Right common carotid artery
Right subclavian artery

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3
Q

Following the flow of blood from the heart what is the second branch of the aortic arch?

A

Left common carotid artery

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4
Q

Following the flow of blood from the heart what is the third branch of the aortic arch?

A

Left subclavian artery

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5
Q

What region of the body do the subclavian arteries supply?

A

Upper extremity
Some thoracic structures
The brain via the vertebral arteries

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6
Q

What artery is the main arterial supply of the upper extremity?

A

Subclavian artery

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7
Q

What is the lateral border of the subclavian artery?

A

The lateral border of the first rib

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8
Q

What artery extends from the lateral border of the first rib to the inferior border of the teres major?

A

Axillary artery

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9
Q

What arteries form an anastomosis around the surgical neck of the humerus?

A

Humeral circumflex arteries

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10
Q

What artery extends from the inferior border of the teres major to its bifurcation in the cubital fossa?

A

Brachial artery

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11
Q

What artery supplies the triceps brachii and other posterior structures of the brachium?

A

Deep brachial artery

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12
Q

What are the two main arteries of the forearm?

A

Ulnar and radial arteries

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13
Q

What artery of the forearm is readily palpated for a pulse?

A

Radial artery

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14
Q

What are the two anastomoses that lies within the palm and supply the hand?

A

Superficial and deep palmar arches

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15
Q

What are the two groups of veins in the upper extremity?

A

Superficial and deep

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16
Q

What superficial network of veins lies on the dorsum of the hand?

A

Dorsal venous arch

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17
Q

What superficial vein runs adjacent to the medial surface of the upper extremity?

A

Basilic vein

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18
Q

What superficial vein runs alongside the lateral aspect of the upper limb?

A

Cephalic vein

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19
Q

The cephalic vein drains into what vein?

A

Axillary vein

20
Q

What vein joins the cephalic and basilic veins in the cubital fossa?

A

Median cubital vein

21
Q

What network of deep veins drains the hand?

A

Palmar venous arches

22
Q

What deep veins run parallel to the main arteries of the forearm?

A

Radial and Ulnar veins

23
Q

The deep veins of the forearm (radial and ulnar) converge to form what vein?

A

Brachial vein

24
Q

What deep vein is formed by the convergence of the brachial and basilic veins?

A

Axillary vein

25
What vein has the lateral border of the first rib as its lateral border?
Subclavian vein
26
The external jugular vein drains into what vein?
Subclavian vein
27
Veins that drain the head, neck, and upper limbs merge to form what vessels?
Left and right brachiocephalic veins
28
The convergence of the internal jugular vein and the subclavian vein forms what vein?
Brachiocephalic vein
29
The convergence of the brachiocephalic veins forms what vein?
Superior vena cava
30
List the regions of the spinal cord and the spinal nerves associated with each region.
Cervical region: C1-C8 Thoracic region: T1-T12 Lumbar region: L1-L5 Sacral region: S1-S5 Coccygeal region: Co
31
What is the a network of interweaving anterior rami of spinal nerves?
Nerve plexuses
32
The brachial plexus arises from what spinal nerves?
C5-T1
33
Where is the brachial plexus located?
Lateral neck and axilla
34
What regions of the body does the brachial plexus innervate?
Pectoral girdle and upper extremity
35
List the five nerves that innervate the upper extremity.
Axillary nerve Median nerve Musculocutaneous nerve radial nerve ulnar nerve
36
What is the motor innervation of the axillary nerve?
Deltoid Teres minor
37
What is the cutaneous innervation of the axillary nerve?
Superolateral brachium skin
38
What is the motor innervation of the median nerve?
Anterior forearm muscles
39
What is the cutaneous innervation of the median nerve?
lateral 3 1/2 fingers and palm of hand
40
What is the motor innervation of the musculocutaneous nerve?
anterior arm muscles
41
What is the cutaneous innervation of the musculotaneous nerve?
Lateral surface forearm
42
What is the motor innervation of the radial nerve?
Posterior arm/forearm muscles
43
What is the cutaneous innervation of the radial nerve?
Posterior arm/forearm surface dorsolateral surface hand
44
What is the motor innervation of the ulnar nerve?
Anterior forearm muscles
45
What is the cutaneous innervation of the ulnar nerve?
dorsal and palmar aspects of medial 1 1/2 fingers