Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Medicine 1 > Upper Limb Nerve > Flashcards

Upper Limb Nerve Flashcards

1
Q

Which nerve roots contribute to the brachial plexus?

A

C5, C6, C7, C8, T1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the main nerves that arise from the brachial plexus?

A

Axillary, musculocutaneous, median, ulnar, radial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which nerve is responsible for innervating the deltoid muscle?

A

Axillary nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which nerve innervates the muscles of the anterior compartment of the forearm?

A

Median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which nerve innervates the muscles of the posterior compartment of the forearm?

A

Radial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which nerve innervates the intrinsic muscles of the hand?

A

Ulnar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False: The brachial plexus is responsible for the innervation of the entire upper limb.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which nerve is commonly injured in a ‘Saturday Night Palsy’?

A

Radial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which nerve is responsible for the ‘funny bone’ sensation when hit?

A

Ulnar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which nerve innervates the brachialis and biceps brachii muscles?

A

Musculocutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the brachial plexus?

A

A network of nerves that innervates the upper limb.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How many roots make up the brachial plexus?

A

Five roots: C5, C6, C7, C8, and T1.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which nerve roots form the lateral cord of the brachial plexus?

A

C5, C6, and C7.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which nerve roots form the medial cord of the brachial plexus?

A

C8 and T1.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which nerve roots form the posterior cord of the brachial plexus?

A

C5, C6, C7, C8, and T1.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does the musculocutaneous nerve innervate?

A

Anterior compartment of the arm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does the radial nerve innervate?

A

Posterior compartment of the arm and forearm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the median nerve innervate?

A

Anterior compartment of the forearm and hand.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the ulnar nerve innervate?

A

Intrinsic muscles of the hand.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the most commonly injured nerve in brachial plexus injuries?

A

The axillary nerve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the most common cause of brachial plexus injuries?

A

Trauma, such as motor vehicle accidents or sports injuries.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is Klumpke’s palsy?

A

A brachial plexus injury affecting the lower roots (C8 and T1).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is Erb’s palsy?

A

A brachial plexus injury affecting the upper roots (C5 and C6).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the difference between an upper and lower brachial plexus injury?

A

Upper plexus injuries affect C5 and C6 roots, while lower plexus injuries affect C8 and T1 roots.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is Horner's syndrome and how is it related to the brachial plexus?
Horner's syndrome is a group of symptoms that occur when there is damage to the sympathetic nerves of the brachial plexus.
26
What is a stinger or burner injury in relation to the brachial plexus?
A transient injury resulting from trauma to the brachial plexus, causing a stinging or burning sensation down the arm.
27
What is the dermatome for the C5 nerve root?
Lateral upper arm.
28
What is the dermatome for the C6 nerve root?
Thumb and index finger.
29
What is the dermatome for the C7 nerve root?
Middle finger.
30
What is the dermatome for the C8 nerve root?
Ring and little finger.
31
What is the dermatome for the T1 nerve root?
Medial forearm.
32
What is the Allen test used for in relation to the brachial plexus?
To assess the patency of the ulnar and radial arteries in the hand.
33
What is the Bishop's hand deformity and how is it related to the brachial plexus?
A claw-like deformity of the hand due to ulnar nerve injury.
34
What is the Saturday night palsy and how is it related to the brachial plexus?
A condition where the radial nerve is compressed, causing wrist drop and loss of sensation in the hand.
35
What is the brachial plexus?
A network of nerves that innervates the upper limb.
36
How many roots make up the brachial plexus?
Five roots: C5, C6, C7, C8, and T1.
37
Which nerve roots form the lateral cord of the brachial plexus?
C5, C6, and C7.
38
Which nerve roots form the medial cord of the brachial plexus?
C8 and T1.
39
Which nerve roots form the posterior cord of the brachial plexus?
C5, C6, C7, C8, and T1.
40
What does the musculocutaneous nerve innervate?
Anterior compartment of the arm.
41
What does the radial nerve innervate?
Posterior compartment of the arm and forearm.
42
What does the median nerve innervate?
Anterior compartment of the forearm and hand.
43
What does the ulnar nerve innervate?
Intrinsic muscles of the hand.
44
What is the most commonly injured nerve in brachial plexus injuries?
The axillary nerve.
45
What is the most common cause of brachial plexus injuries?
Trauma, such as motor vehicle accidents or sports injuries.
46
What is Klumpke's palsy?
A brachial plexus injury affecting the lower roots (C8 and T1).
47
What is Erb's palsy?
A brachial plexus injury affecting the upper roots (C5 and C6).
48
What is the difference between an upper and lower brachial plexus injury?
Upper plexus injuries affect C5 and C6 roots, while lower plexus injuries affect C8 and T1 roots.
49
What is Horner's syndrome and how is it related to the brachial plexus?
Horner's syndrome is a group of symptoms that occur when there is damage to the sympathetic nerves of the brachial plexus.
50
What is a stinger or burner injury in relation to the brachial plexus?
A transient injury resulting from trauma to the brachial plexus, causing a stinging or burning sensation down the arm.
51
What is the dermatome for the C5 nerve root?
Lateral upper arm.
52
What is the dermatome for the C6 nerve root?
Thumb and index finger.
53
What is the dermatome for the C7 nerve root?
Middle finger.
54
What is the dermatome for the C8 nerve root?
Ring and little finger.
55
What is the dermatome for the T1 nerve root?
Medial forearm.
56
What is the Allen test used for in relation to the brachial plexus?
To assess the patency of the ulnar and radial arteries in the hand.
57
What is the Bishop's hand deformity and how is it related to the brachial plexus?
A claw-like deformity of the hand due to ulnar nerve injury.
58
What is the Saturday night palsy and how is it related to the brachial plexus?
A condition where the radial nerve is compressed, causing wrist drop and loss of sensation in the hand.
59
Nerves from roots of bp
Dorsal scapular Long thoracic
60
Roots of axillary nerve
C5 c6
61
Ulnar nerve root value
C8 T1
62
Ulnar nerve root value
C8 T1
63
Largest nerve
64
Lon thoracic root and intervention
C5,6,7 Serratus anterior
65
Lon thoracic root and intervention
C5,6,7 Serratus anterior
66
Suprascapular nerve root and innervation
Upper trunk , infraspinatus and supraspinatus
67
Palmar cutaneous nerve
Thenar wali skin Not affected in carpal tunnel
68
Recurrent branch of median nerve
Thenar muscles

Medicine 1 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions