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Questions and Answers
Which artery supplies the upper limb?
Which artery supplies the upper limb?
Where does the subclavian artery pass through?
Where does the subclavian artery pass through?
Which artery contributes to the scapular anastomosis?
Which artery contributes to the scapular anastomosis?
Where does the axillary artery become the brachial artery?
Where does the axillary artery become the brachial artery?
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Which artery supplies the flexor muscles of the arm?
Which artery supplies the flexor muscles of the arm?
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Which artery accompanies the radial nerve in the spiral groove?
Which artery accompanies the radial nerve in the spiral groove?
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Where does the radial artery divide into the radial and ulnar arteries?
Where does the radial artery divide into the radial and ulnar arteries?
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Which vein drains into the axillary vein?
Which vein drains into the axillary vein?
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Which lymph nodes are located in the axillary region?
Which lymph nodes are located in the axillary region?
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What does the brachial plexus carry?
What does the brachial plexus carry?
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Which part of the brachial plexus contains axons from multiple spinal nerves?
Which part of the brachial plexus contains axons from multiple spinal nerves?
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Which functional group of muscles is innervated by motor axons within the C5 root of the brachial plexus?
Which functional group of muscles is innervated by motor axons within the C5 root of the brachial plexus?
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Which nerve innervates the rhomboids and levator scapulae muscles?
Which nerve innervates the rhomboids and levator scapulae muscles?
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Which nerve is responsible for motor innervation of the biceps brachii muscle?
Which nerve is responsible for motor innervation of the biceps brachii muscle?
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Which nerve innervates the flexor carpi ulnaris muscle?
Which nerve innervates the flexor carpi ulnaris muscle?
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Which nerve is responsible for motor innervation of the deltoid and teres minor muscles?
Which nerve is responsible for motor innervation of the deltoid and teres minor muscles?
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Which nerve innervates the lateral palm of the hand and lateral 3 and 1/2 digits?
Which nerve innervates the lateral palm of the hand and lateral 3 and 1/2 digits?
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Which nerve is responsible for motor innervation of the posterior arm and posterior forearm?
Which nerve is responsible for motor innervation of the posterior arm and posterior forearm?
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Which part of the brachial plexus divides into anterior and posterior divisions?
Which part of the brachial plexus divides into anterior and posterior divisions?
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Which nerve innervates the supinator muscle?
Which nerve innervates the supinator muscle?
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Which artery is the stem artery to the upper limb?
Which artery is the stem artery to the upper limb?
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Which structure is responsible for the arterial supply of the upper limb?
Which structure is responsible for the arterial supply of the upper limb?
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Which part of the lecture will cover the scapular anastomosis?
Which part of the lecture will cover the scapular anastomosis?
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Which part of the lecture will explain the organization of the brachial plexus?
Which part of the lecture will explain the organization of the brachial plexus?
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Which artery forms the deep palmar arch in the hand?
Which artery forms the deep palmar arch in the hand?
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Which artery contributes to the superficial palmar arch in the hand?
Which artery contributes to the superficial palmar arch in the hand?
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Which artery is smaller, the radial artery or the ulnar artery?
Which artery is smaller, the radial artery or the ulnar artery?
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Which space does the radial artery pass through in the hand?
Which space does the radial artery pass through in the hand?
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Which artery is a direct branch off of the arch of the aorta?
Which artery is a direct branch off of the arch of the aorta?
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Which muscle attaches to the first rib in front of the subclavian artery?
Which muscle attaches to the first rib in front of the subclavian artery?
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Which muscle attaches to the ribs behind the subclavian artery?
Which muscle attaches to the ribs behind the subclavian artery?
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Which part of the subclavian artery is medial to the scaling muscle?
Which part of the subclavian artery is medial to the scaling muscle?
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What artery is the first branch of the subclavian artery and supplies the brain?
What artery is the first branch of the subclavian artery and supplies the brain?
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Which artery runs down either side of the sternum on the posterior aspect?
Which artery runs down either side of the sternum on the posterior aspect?
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What artery is a branch of the first part of the subclavian artery and contributes to the scapular anastomosis?
What artery is a branch of the first part of the subclavian artery and contributes to the scapular anastomosis?
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What muscle divides the axillary artery into different parts?
What muscle divides the axillary artery into different parts?
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Which artery supplies the muscles on the posterior aspect of the arm?
Which artery supplies the muscles on the posterior aspect of the arm?
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Where does the deep brachial artery and the radial nerve travel close to the bone?
Where does the deep brachial artery and the radial nerve travel close to the bone?
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Which artery branches from the brachial artery in the cubital fossa?
Which artery branches from the brachial artery in the cubital fossa?
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Which artery wraps around the posterior aspect of the humerus and the surgical neck of the humerus?
Which artery wraps around the posterior aspect of the humerus and the surgical neck of the humerus?
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What is the name of the branch of the axillary artery that contributes to the scapular anastomosis?
What is the name of the branch of the axillary artery that contributes to the scapular anastomosis?
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Which arteries wrap around the surgical neck of the humerus?
Which arteries wrap around the surgical neck of the humerus?
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Where does the brachial artery start?
Where does the brachial artery start?
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Which artery supplies the flexors of the arm and forearm?
Which artery supplies the flexors of the arm and forearm?
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Which artery travels close to the interosseous membrane in the forearm?
Which artery travels close to the interosseous membrane in the forearm?
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What is the name of the muscle in the forearm that is deep to the common interest artery?
What is the name of the muscle in the forearm that is deep to the common interest artery?
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Which artery contributes predominantly to the superficial palmar arch?
Which artery contributes predominantly to the superficial palmar arch?
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What structure does the ulnar artery continue into to form the superficial palmar arch?
What structure does the ulnar artery continue into to form the superficial palmar arch?
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Which nerve accompanies the ulnar artery in the forearm?
Which nerve accompanies the ulnar artery in the forearm?
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Which artery is referred to as the 'common interest artery'?
Which artery is referred to as the 'common interest artery'?
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Study Notes
Upper Limb Blood Supply
- The subclavian artery supplies the upper limb.
- The subclavian artery passes through the scalene triangle.
Scapular Anastomosis
- The scapular anastomosis is contributed to by the suprascapular artery.
- The scapular anastomosis is formed by the anastomosis of the suprascapular artery with the deep branch of the transverse cervical artery.
Axillary Artery
- The axillary artery becomes the brachial artery at the inferior border of the teres major muscle.
- The axillary artery supplies the flexor muscles of the arm.
Brachial Plexus
- The brachial plexus carries motor and sensory information.
- The roots of the brachial plexus contain axons from multiple spinal nerves (C5-T1).
- The C5 root of the brachial plexus innervates the functional group of muscles responsible for shoulder movements.
- The rhomboids and levator scapulae muscles are innervated by the dorsal scapular nerve.
- The biceps brachii muscle is innervated by the musculocutaneous nerve.
- The flexor carpi ulnaris muscle is innervated by the ulnar nerve.
- The deltoid and teres minor muscles are innervated by the axillary nerve.
- The lateral palm of the hand and lateral 3 and 1/2 digits are innervated by the radial nerve.
- The posterior arm and posterior forearm are innervated by the radial nerve.
- The trunks of the brachial plexus divide into anterior and posterior divisions.
Arteries
- The subclavian artery is the stem artery to the upper limb.
- The subclavian artery is responsible for the arterial supply of the upper limb.
- The radial artery forms the deep palmar arch in the hand.
- The ulnar artery contributes to the superficial palmar arch in the hand.
- The radial artery is smaller than the ulnar artery.
- The radial artery passes through the anatomical snuffbox in the hand.
- The subclavian artery is a direct branch off of the arch of the aorta.
- The scalene muscle attaches to the first rib in front of the subclavian artery.
- The scalene muscle attaches to the ribs behind the subclavian artery.
- The medial part of the subclavian artery is medial to the scalene muscle.
- The vertebral artery is the first branch of the subclavian artery and supplies the brain.
- The internal thoracic artery runs down either side of the sternum on the posterior aspect.
- The thyrocervical trunk is a branch of the first part of the subclavian artery and contributes to the scapular anastomosis.
Other
- The teres major muscle divides the axillary artery into different parts.
- The radial collateral artery supplies the muscles on the posterior aspect of the arm.
- The deep brachial artery and the radial nerve travel close to the bone in the spiral groove.
- The radial artery is a branch of the brachial artery in the cubital fossa.
- The profunda brachii artery wraps around the posterior aspect of the humerus and the surgical neck of the humerus.
- The circumflex scapular artery is a branch of the axillary artery that contributes to the scapular anastomosis.
- The radial collateral artery and the middle collateral artery wrap around the surgical neck of the humerus.
- The brachial artery starts at the inferior border of the teres major muscle.
- The brachial artery supplies the flexors of the arm and forearm.
- The radial artery travels close to the interosseous membrane in the forearm.
- The flexor digitorum profundus muscle is deep to the common interosseous artery in the forearm.
- The ulnar artery continues into the superficial palmar arch.
- The ulnar artery accompanies the ulnar nerve in the forearm.
- The common interosseous artery is also referred to as the 'common interosseous artery'.
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Description
Test your knowledge of the nerve and blood supply to the upper limb with this quiz by Dr. Catherine Hennessy. Learn about the arterial supply, venous and lymphatic drainage, scapular anastomosis, and more. Get ready to dive into the fascinating world of the upper limb's vascular system!