Nerve Supply Of The Upper Limb

Question 1

What is the primary nerve responsible for the movement of the deltoid muscle?

Answer 1

The axillary nerve.

Question 2

True or False: The median nerve innervates the majority of the flexor muscles in the forearm.

Answer 2

True.

Question 3

Fill in the blank: The _____ nerve is responsible for the sensation in the skin of the palm and fingers.

Answer 3

median

Question 4

Which nerve is commonly affected in carpal tunnel syndrome?

Answer 4

The median nerve.

Question 5

What is the main function of the ulnar nerve?

Answer 5

It innervates the intrinsic muscles of the hand.

Question 6

Multiple Choice: Which of the following nerves does NOT arise from the brachial plexus? A) Musculocutaneous B) Radial C) Phrenic

Answer 6

C) Phrenic.

Question 7

What is the role of the radial nerve?

Answer 7

It extends the elbow, wrist, and fingers.

Question 8

True or False: The long thoracic nerve innervates the serratus anterior muscle.

Answer 8

True.

Question 9

Fill in the blank: The _____ nerve is responsible for wrist flexion and sensation in the lateral aspect of the hand.

Answer 9

median

Question 10

What are the roots of the brachial plexus?

Answer 10

C5, C6, C7, C8, and T1.

Question 11

Multiple Choice: Which nerve is primarily responsible for the ‘wrist drop’ condition? A) Ulnar B) Radial C) Median

Answer 11

B) Radial.

Question 12

What is the function of the musculocutaneous nerve?

Answer 12

It innervates the anterior compartment of the arm.

Question 13

True or False: The median nerve provides sensation to the entire hand.

Answer 13

False.

Question 14

Fill in the blank: The _____ nerve can be injured by a fracture of the surgical neck of the humerus.

Answer 14

axillary

Question 15

What is the clinical significance of the ulnar nerve?

Answer 15

It is involved in ‘claw hand’ deformity when injured.

Question 16

Multiple Choice: Which nerve is responsible for thumb opposition? A) Radial B) Ulnar C) Median

Answer 16

C) Median.

Question 17

What is the pathway of the radial nerve in the arm?

Answer 17

It travels posteriorly and wraps around the mid-shaft of the humerus.

Question 18

True or False: The suprascapular nerve innervates the infraspinatus and supraspinatus muscles.

Answer 18

True.

Question 19

Fill in the blank: The _____ nerve contributes to the formation of the median nerve.

Answer 19

lateral antebrachial cutaneous

Question 20

What does the term ‘brachial plexus’ refer to?

Answer 20

A network of nerves that supply the upper limb.

Question 21

Multiple Choice: Which nerve is responsible for flexing the elbow? A) Axillary B) Musculocutaneous C) Radial

Answer 21

B) Musculocutaneous.

Question 22

What symptoms might indicate an injury to the radial nerve?

Answer 22

Wrist drop and inability to extend the fingers.

Question 23

True or False: The median nerve passes through the cubital tunnel at the elbow.

Answer 23

False.

Question 24

Fill in the blank: The _____ nerve is responsible for the sensation of the medial side of the hand.

Answer 24

ulnar

Question 25

What is the primary nerve responsible for the flexion of the elbow?

Answer 25

Musculocutaneous nerve

Question 26

Which nerve innervates the majority of the intrinsic muscles of the hand?

Answer 26

Ulnar nerve

Question 27

True or False: The radial nerve is responsible for wrist extension.

Answer 27

True

Question 28

Fill in the blank: The __________ nerve is the main nerve of the anterior compartment of the forearm.

Answer 28

Median

Question 29

What nerve is affected in carpal tunnel syndrome?

Answer 29

Median nerve

Question 30

Which nerve provides sensation to the skin of the posterior arm and forearm?

Answer 30

Radial nerve

Question 31

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

Answer 31

C) Femoral

Question 32

What is the terminal branch of the brachial plexus that innervates the deltoid and teres minor muscles?

Answer 32

Axillary nerve

Question 33

True or False: The ulnar nerve passes behind the medial epicondyle of the humerus.

Answer 33

True

Question 34

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

Answer 34

Musculocutaneous nerve

Question 35

Fill in the blank: The __________ nerve innervates the thenar muscles and the lateral two lumbricals.

Answer 35

Median

Question 36

What is the primary function of the radial nerve?

Answer 36

Extension of the arm and forearm

Question 37

Which nerve is commonly tested by tapping over the wrist to check for carpal tunnel syndrome?

Answer 37

Median nerve

Question 38

Multiple choice: Which nerve innervates the flexor carpi ulnaris? A) Median B) Ulnar C) Radial D) Axillary

Answer 38

B) Ulnar

Question 39

What is the primary action of the intrinsic muscles of the hand?

Answer 39

Fine motor control and manipulation

Question 40

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

Answer 40

True

Question 41

Which nerve is responsible for the sensation of the little finger?

Answer 41

Ulnar nerve

Question 42

Fill in the blank: The __________ nerve innervates the triceps brachii muscle.

Answer 42

Radial

Question 43

What is the main function of the axillary nerve?

Answer 43

Innervates the deltoid and teres minor muscles

Question 44

Multiple choice: Which nerve does NOT provide sensory innervation to the hand? A) Ulnar B) Median C) Radial D) Femoral

Answer 44

D) Femoral

Question 45

What is the clinical significance of the 'funny bone'?

Answer 45

It refers to the ulnar nerve being compressed at the elbow.

Question 46

True or False: The musculocutaneous nerve is a branch of the lumbar plexus.

Answer 46

False

Question 47

Which nerve can be affected in cases of shoulder dislocation?

Answer 47

Axillary nerve

Question 48

Fill in the blank: The __________ nerve innervates the dorsal aspect of the hand.

Answer 48

Radial

Question 49

What is the result of a lesion in the radial nerve?

Answer 49

Wrist drop

Question 50

Multiple choice: The ulnar nerve is primarily responsible for which of the following? A) Wrist flexion B) Elbow extension C) Finger abduction D) Shoulder abduction

Answer 50

C) Finger abduction

Question 51

True or False: The median nerve innervates the majority of the flexor muscles in the forearm.

Answer 51

True

Question 52

What is the anatomical pathway of the median nerve?

Answer 52

It travels down the arm, passing through the cubital fossa and entering the carpal tunnel.

Question 53

Fill in the blank: The __________ nerve provides sensation to the palmar aspect of the lateral three and a half fingers.

Answer 53

Median

Question 54

Which nerve is primarily responsible for the opposition of the thumb?

Answer 54

Median nerve

Question 55

True or False: The median nerve has no motor functions in the hand.

Answer 55

False

Question 56

What happens with an injury to the ulnar nerve at the elbow?

Answer 56

Loss of sensation in the little finger and weakness in finger abduction.

Question 57

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

Answer 57

C) Radial

Question 58

Fill in the blank: The __________ nerve is critical for the grip strength of the hand.

Answer 58

Ulnar

Question 59

What is the relationship between the brachial plexus and the upper limb nerves?

Answer 59

The brachial plexus gives rise to the major nerves of the upper limb.

Question 60

True or False: The radial nerve innervates the biceps brachii muscle.

Answer 60

False

Question 61

What does the term 'wrist drop' indicate?

Answer 61

Inability to extend the wrist due to radial nerve injury.

Question 62

Multiple choice: Which of the following nerves does NOT arise from the posterior cord of the brachial plexus? A) Upper subscapular B) Thoracodorsal C) Medial cutaneous nerve of the arm D) Axillary

Answer 62

C) Medial cutaneous nerve of the arm

Question 63

Fill in the blank: The __________ nerve supplies the skin of the medial forearm.

Answer 63

Medial cutaneous nerve of the forearm

Question 64

What is the main function of the long thoracic nerve?

Answer 64

Innervates the serratus anterior muscle.

Question 65

True or False: The median nerve is responsible for flexing the thumb.

Answer 65

True

Question 66

Which nerve is commonly referred to in the context of 'claw hand'?

Answer 66

Ulnar nerve