Anatomy Upper limb

Question 1

What sensory changes would there be for an isolated radial nerve lesion?

Answer 1

Anatomical snuff box only

Question 2

Median nerve is responsible for what palmar sensation?

Answer 2

Sensation to; thumb, index finger, middle finger and half of the ring finger

Question 3

What muscles does the radial nerve supply?

Answer 3

triceps brachioradialis hand extensors (C6, C7, C8, T1)

Question 4

What would you find if a patient had a radial nerve lesion?

Answer 4

Wrist drop (flex elbow, extend wrist)

Question 5

What muscles does the ulnar nerve supply?

Answer 5

Flexor carpi ulnaris Motor supply to hand except LOAF

Question 6

What is the sensory supply of the ulnar nerve?

Answer 6

Medial 4th and 5th digits

Question 7

What does the median nerve supply?

Answer 7

Suppplies LOAF, most of the flexors of the forearm (C6, C7, C8, T1)

Question 8

What actions are caused by the median nerve?

Answer 8

Pronation Wrist flexion Thumb movements

Question 9

What does the musculocutaneous nerve supply?

Answer 9

Biceps Brachii Brachialis Coracobracialis

Question 10

What action does musculocutaneous nerve cause?

Answer 10

Flexion of elbow

Question 11

What does the axillary nerve supply?

Answer 11

Teres minor Deltoid (Abducts the arm)

Question 12

Biceps tendon reflex is caused by what muscle and nerve?

Answer 12

Brachioradialis C5/C6 (axillary nerve)

Question 13

Triceps reflex is caused by what muscle and nerve?

Answer 13

Triceps… Radial nerve C6(C7)

Question 14

Fingers reflex is testing which nerve?

Answer 14

C8 (ulnar nerve)