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Upper Limb Nerves Flashcards

1
Q

What is the primary nerve that innervates the biceps brachii?

A

Musculocutaneous nerve

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2
Q

True or False: The radial nerve innervates the triceps brachii.

A

True

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3
Q

Fill in the blank: The _____ nerve innervates the deltoid muscle.

A

Axillary

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4
Q

Which artery primarily supplies blood to the pectoralis major?

A

Thoracoacromial artery

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5
Q

What is the function of the suprascapular nerve?

A

Innervates the supraspinatus and infraspinatus muscles

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6
Q

Multiple choice: Which nerve is responsible for wrist extension? A) Ulnar nerve B) Median nerve C) Radial nerve D) Musculocutaneous nerve

A

C) Radial nerve

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7
Q

What muscle is innervated by the median nerve?

A

Flexor carpi radialis

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8
Q

True or False: The ulnar nerve provides innervation to the majority of the intrinsic hand muscles.

A

True

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9
Q

Which artery supplies blood to the forearm flexor muscles?

A

Ulnar artery

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10
Q

Fill in the blank: The _____ nerve innervates the flexor digitorum profundus (medial half).

A

Ulnar

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11
Q

What is the primary blood supply for the supraspinatus muscle?

A

Suprascapular artery

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12
Q

Multiple choice: Which nerve is NOT part of the brachial plexus? A) Median nerve B) Radial nerve C) Femoral nerve D) Ulnar nerve

A

C) Femoral nerve

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13
Q

What muscle does the thoracodorsal nerve innervate?

A

Latissimus dorsi

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14
Q

True or False: The musculocutaneous nerve arises from the lumbar plexus.

A

False

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15
Q

Fill in the blank: The _____ artery is the continuation of the subclavian artery into the arm.

A

Axillary

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16
Q

What is the function of the long thoracic nerve?

A

Innervates the serratus anterior muscle

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17
Q

Multiple choice: Which muscle is primarily responsible for shoulder abduction? A) Pectoralis major B) Deltoid C) Latissimus dorsi D) Teres major

A

B) Deltoid

18
Q

What nerve innervates the flexor pollicis longus?

A

Median nerve

19
Q

True or False: The radial nerve also innervates the brachialis muscle.

20
Q

Fill in the blank: The _____ nerve innervates the teres minor muscle.

21
Q

What is the primary blood supply to the brachialis muscle?

A

Brachial artery

22
Q

Multiple choice: Which of the following muscles is NOT innervated by the median nerve? A) Pronator teres B) Flexor carpi ulnaris C) Flexor pollicis brevis D) Lumbricals (lateral two)

A

B) Flexor carpi ulnaris

23
Q

What is the role of the radial nerve in the upper limb?

A

Innervates the posterior compartment of the arm and forearm

24
Q

True or False: The ulnar nerve passes through the carpal tunnel.

25
Q

Fill in the blank: The _____ artery supplies the thumb and lateral aspect of the index finger.

26
Q

What muscle is innervated by the median nerve and responsible for flexing the wrist?

A

Flexor carpi radialis

27
Q

Multiple choice: Which artery does the radial artery originate from? A) Subclavian artery B) Brachial artery C) Ulnar artery D) Axillary artery

A

B) Brachial artery

28
Q

What is the function of the median nerve?

A

Innervates most of the forearm flexors and thenar muscles

29
Q

True or False: The axillary nerve is responsible for innervating the skin over the shoulder.

30
Q

Fill in the blank: The _____ nerve is responsible for innervating the flexor digitorum superficialis.

31
Q

What artery supplies the muscles of the posterior compartment of the arm?

A

Profunda brachii artery

32
Q

Multiple choice: Which of the following is NOT a branch of the subclavian artery? A) Suprascapular artery B) Axillary artery C) Vertebral artery D) Internal thoracic artery

A

B) Axillary artery

33
Q

What nerve innervates the opponens pollicis?

A

Median nerve

34
Q

True or False: The suprascapular nerve arises from the upper trunk of the brachial plexus.

35
Q

Fill in the blank: The _____ artery is a direct continuation of the axillary artery past the teres major.

36
Q

What is the primary function of the flexor carpi ulnaris?

A

Flexes and adducts the wrist

37
Q

Multiple choice: Which nerve provides sensory innervation to the skin of the lateral forearm? A) Ulnar nerve B) Axillary nerve C) Musculocutaneous nerve D) Median nerve

A

C) Musculocutaneous nerve

38
Q

What muscle is primarily innervated by the ulnar nerve?

A

Flexor carpi ulnaris

39
Q

True or False: The brachial plexus is formed by the ventral rami of spinal nerves C5-T1.

40
Q

Fill in the blank: The _____ nerve innervates the intrinsic muscles of the hand.

41
Q

What artery supplies the subscapularis muscle?

A

Subscapular artery

Anatomy (9 decks)

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