neuropathies

Question 1

three ways nerves can be damaged

Answer 1

cut, compressed, stretched

Question 2

Erb’s palsy: place of lesion. causes. sign

Answer 2

upper trunk (C5,6). separation of neck and shoulder. Waiter’s tip.

Question 3

klumpke’s palsy: lesion, causes, sign

Answer 3

lower trunk (C8, T1). Forcible abduction. Total claw hand

Question 4

proximal median nerve lesion: cause, sign

Answer 4

supracondylar fracture of humerus. popes blessing upon flexion

Question 5

distal median nerve lesion: cause. Sign.

Answer 5

carpal tunnel syndrome is most common. median claw hand (digits 2 and 3)

Question 6

intrinsic hand muscles innervated by median nerve

Answer 6

med LOAF, 1 and 2 lumbricals, opponens pollicis, abductor pollicis brevis, flexor pollicis brevis

Question 7

what produces ape hand

Answer 7

proximal and distal median nerve lesions.

Question 8

proximal ulnar lesions

Answer 8

ulnar claw hand (digits 4 and 5)

Question 9

distal ulnar lesions: causes, sign

Answer 9

compression in Guyon tunnel. or hook of hammate fracture. Ulnar claw hand, popes blessing on extension

Question 10

long thoracic nerve damage

Answer 10

wing scapula

Question 11

axillary nerve damage

Answer 11

deltoid atrophy

Question 12

musculocutaneous injury

Answer 12

weakness in forearm flexion, weakness in supination. anesthesia of lateral forearm

Question 13

what forearm flexors are innervated by ulnar nerve

Answer 13

FCU, medial half FDP

Question 14

what thumb muscle has ulnar innervation

Answer 14

adductor pollicis

Question 15

sign of radial nerve injury

Answer 15

wrist drop