Chapter 9

Instructions

Choose your answers from a-d by clicking the radio button next to each choice and then press 'Submit' to get your score.

Which of the following is true about radial nerve palsy?

a) The radial nerve arises from the lateral cord of the brachial plexus

b) It is associated with sensory loss over the medial half of the hand

c) It leads to wrist drop

d) It can occur due to a superficial laceration over the wrist

Which of the following is true about the carpal tunnel syndrome?

a) It can be caused by rheumatoid arthritis

b) It is caused by compression of the ulna nerve

c) It causes pain and tingling in the medial three and half digits

d) Paraesthesia is worse during the day

Which of the following is true about an intention tremor?

a) It is worse at rest

b) It is caused by Parkinson's Disease

c) It is indicative of a cerebellar lesion

d) Dyscalculia is a common association

In the assessment of the hand function which of the following is true?

a) Abduction of the thumb is supplied by spinal root T2

b) Opposition of the thumb by opponens policis is supplied by spinal root T1

c) Finger adduction is supplied by the median nerve

d) Finger abduction is mediated by the palmar interossei

Which of the following is true in ulna nerve palsy?

a) The ulna nerve can be affected by a fracture of the spiral groove of the humerus

b) It gives rise to a positive phalen's sign

c) It leads to loss of sensation over the medial half of the hand and medial one and a half digits on both palmar and dorsal aspects of the hand

d) It supplies the biceps muscles