Nerves And Vessels

Question 1

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

Answer 1

Axillary nerve

Question 2

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

Answer 2

True

Question 3

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

Answer 3

Subclavian artery

Question 4

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

Answer 4

Musculocutaneous

Question 5

What are the two major branches of the brachial plexus?

Answer 5

Medial and lateral cords

Question 6

Which nerve is commonly associated with carpal tunnel syndrome?

Answer 6

Median nerve

Question 7

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

Answer 7

True

Question 8

What is the primary function of the ulnar nerve?

Answer 8

Innervation of intrinsic hand muscles

Question 9

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

Answer 9

Thoracoacromial artery

Question 10

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

Answer 10

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

Question 11

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

Answer 11

Axillary

Question 12

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

Answer 12

Radial nerve

Question 13

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

Answer 13

It runs medial to the brachial artery.

Question 14

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

Answer 14

True

Question 15

What muscle group is innervated by the radial nerve?

Answer 15

Extensors of the forearm and hand

Question 16

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

Answer 16

Brachial

Question 17

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

Answer 17

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

Question 18

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

Answer 18

Musculocutaneous nerve

Question 19

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

Answer 19

True

Question 20

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

Answer 20

It wraps around the mid-shaft of the humerus.

Question 21

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

Answer 21

Ulnar

Question 22

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

Answer 22

Brachial artery

Question 23

What is the primary role of the thoracodorsal nerve?

Answer 23

Innervation of the latissimus dorsi muscle

Question 24

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

Answer 24

True

Question 25

Which nerve is responsible for the 'claw hand' deformity?

Answer 25

Ulnar nerve

Question 26

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

Answer 26

Brachial

Question 27

What are the terminal branches of the brachial plexus?

Answer 27

Musculocutaneous, median, ulnar, radial, and axillary nerves

Question 28

Which nerve is most commonly injured in shoulder dislocations?

Answer 28

Axillary nerve

Question 29

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

Answer 29

True

Question 30

What is the main arterial supply of the hand?

Answer 30

Superficial and deep palmar arches

Question 31

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

Answer 31

Median

Question 32

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

Answer 32

Profunda brachii artery

Question 33

What is the clinical presentation of a median nerve injury?

Answer 33

Inability to flex the thumb and index finger.

Question 34

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

Answer 34

False

Question 35

Which nerve innervates the serratus anterior muscle?

Answer 35

Long thoracic nerve

Question 36

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

Answer 36

Ulnar

Question 37

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

Answer 37

It is located medial to the axillary artery.

Question 38

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

Answer 38

True