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1) All of the following muscles form the boundry of the anatomical snuff box, EXCEPT :

One answer only.

a) Brachioradialis

b) Abductor pollicis longus

c) Extensor pollicis longus

d) Extensor pollicis brevis

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2) Which is the most frequently fractured carpal bone ?

One answer only.

a) Lunate

b) Scaphoid

c) Capitate

d) Trapezium

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3) After falling on his outstretched hand a patient complains of tenderness in the space between Extensor pollicis brevis and extensor pollicis longus tendons. Which bone is most likely fractured by the injury ?

One answer only.

a) Scaphoid

b) First metacarpal

c) Radial styloid process

d) Trapezium

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4) Which is the longest metacarpal bone ?

One answer only.

a) Second metacarpal

b) Third metacarpal

c) Fourth metacarpal

d) Fifth metacarpal

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5) Examination of a patient reveals paralysis of the Abductor pollicis brevis muscle. All of the following can be sites of lesion that resulted in this paralysis , EXCEPT :

One answer only.

a) Lower trunk of brachial plexus

b) Lateral root of median nerve

c) Medial root of median nerve

d) Recurrent branch of median nerve

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6) A middle aged woman suffering from myxedema, suddenly woke up one night by a severe bout of pain in her right wrist and middle finger. The pain seems to move up her forearm. After a thorough neurological check up her physician diagnosed her condition as Carpal Tunnel Syndrome.Which nerve is involved in this syndrome ?

One answer only.

a) Median nerve

b) Palmar cutaneous branch of median nerve

c) Ulnar nerve

d) Anterior interosseous nerve

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7) In carpal tunnel syndrome which of the follwoing conditions occur due to motor deficit ?

One answer only.

a) Claw hand

b) Pointing index finger

c) Benediction hand

d) Simian hand

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8) A patient exhibits weakness of Pinch grip ; other thumb movements are normal. There is no sensory loss in the hand. The probable cause is damage to :

One answer only.

a) Posterior interosseous nerve

b) Anterior interosseous nerve

c) Deep branch of ulnar nerve

d) Median nerve proximal to flexor retinaculum

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9) Nerve damage that impairs the flexion of distal interphalangeal joints of index and middle fingers also produces which of the following conditions ?

One answer only.

a) Atrophy of Hypothenar eminence b) Loss of adduction of thumb

c) Similar impairment of flexion of distal I.P joint of little finger

d) Weakness in pronation of forearm

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10) A man is unable to hold a postcard between his index and middle fingers because of an injury to which of the following nerves ?

One answer only.

a) Superficial branch of ulnar nerve

b) Deep branch of ulnar nerve

c) Recurrent branch of median nerve

d) Posterior interosseous nerve