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Upper Limb Region By Region > Nerves And Vessels > Flashcards

Nerves And Vessels Flashcards

1
Q

What is the main nerve responsible for the innervation of the deltoid muscle?

A

Axillary nerve

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2
Q

True or False: The median nerve is primarily responsible for the flexion of the wrist.

A

True

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3
Q

Which artery is the main blood supply for the upper limb?

A

Subclavian artery

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4
Q

Fill in the blank: The _____ nerve innervates the muscles of the anterior compartment of the arm.

A

Musculocutaneous

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5
Q

What are the two major branches of the brachial plexus?

A

Medial and lateral cords

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6
Q

Which nerve is commonly associated with carpal tunnel syndrome?

A

Median nerve

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7
Q

True or False: The radial nerve travels in the radial groove of the humerus.

A

True

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8
Q

What is the primary function of the ulnar nerve?

A

Innervation of intrinsic hand muscles

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9
Q

Which artery branches off the axillary artery and supplies the shoulder region?

A

Thoracoacromial artery

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10
Q

What is the clinical significance of the ‘Saturday Night Palsy’?

A

It refers to radial nerve palsy due to prolonged pressure on the nerve.

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11
Q

Fill in the blank: The _____ artery is a continuation of the subclavian artery at the lateral border of the first rib.

A

Axillary

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12
Q

Which nerve arises from the posterior cord of the brachial plexus?

A

Radial nerve

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13
Q

What is the anatomical relation of the median nerve in the arm?

A

It runs medial to the brachial artery.

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14
Q

True or False: The ulnar nerve runs posterior to the medial epicondyle of the humerus.

A

True

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15
Q

What muscle group is innervated by the radial nerve?

A

Extensors of the forearm and hand

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16
Q

Fill in the blank: The _____ artery is the terminal branch of the axillary artery.

A

Brachial

17
Q

What is the clinical significance of the median nerve in the forearm?

A

It is involved in wrist flexion and sensation in the hand.

18
Q

Which nerve is responsible for the sensation of the skin over the lateral aspect of the forearm?

A

Musculocutaneous nerve

19
Q

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

A

True

20
Q

What is the pathway of the radial nerve in relation to the humerus?

A

It wraps around the mid-shaft of the humerus.

21
Q

Fill in the blank: The _____ nerve provides motor innervation to the flexor carpi ulnaris muscle.

A

Ulnar

22
Q

Which artery supplies blood to the anterior compartment of the arm?

A

Brachial artery

23
Q

What is the primary role of the thoracodorsal nerve?

A

Innervation of the latissimus dorsi muscle

24
Q

True or False: The axillary nerve also provides sensory innervation to the skin over the deltoid muscle.

A

True

25
Q

Which nerve is responsible for the ‘claw hand’ deformity?

A

Ulnar nerve

26
Q

Fill in the blank: The _____ artery and vein accompany the median nerve in the forearm.

A

Brachial

27
Q

What are the terminal branches of the brachial plexus?

A

Musculocutaneous, median, ulnar, radial, and axillary nerves

28
Q

Which nerve is most commonly injured in shoulder dislocations?

A

Axillary nerve

29
Q

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

A

True

30
Q

What is the main arterial supply of the hand?

A

Superficial and deep palmar arches

31
Q

Fill in the blank: The _____ nerve supplies the thenar muscles of the hand.

A

Median

32
Q

Which artery branches off the brachial artery and supplies the posterior compartment of the arm?

A

Profunda brachii artery

33
Q

What is the clinical presentation of a median nerve injury?

A

Inability to flex the thumb and index finger.

34
Q

True or False: The subclavian artery becomes the brachial artery after passing the teres major muscle.

A

False

35
Q

Which nerve innervates the serratus anterior muscle?

A

Long thoracic nerve

36
Q

Fill in the blank: The _____ nerve is responsible for the sensory innervation of the palm’s medial side.

A

Ulnar

37
Q

What is the relationship of the brachial plexus to the axillary artery?

A

It is located medial to the axillary artery.

38
Q

True or False: The radial nerve can be injured by improper use of crutches.

A

True

Upper Limb Region By Region (2 decks)

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