Musculoskeletal

Question 1

What nerve is most at risk of injury with a fracture of the shaft of the humerus?

Answer 1

Radial n.

Question 2

What nerve is most at risk of injury with a fracture of the surgical neck of the humerus?

Answer 2

Axillary n.

Question 3

What nerve is most at risk of injury with a supracondylar fracture of the humerus?

Answer 3

Medial n.

Question 4

What artery is most at risk of injury with a fracture of the shaft of the humerus?

Answer 4

Deep brachial a.

Question 5

What artery is most at risk of injury with a fracture of the surgical neck of the humerus?

Answer 5

Posterior circumflex humeral a.

Question 6

Erb-Duchenne Palsy is seen w/ what type of injury

Answer 6

neck SB + shoulder depression, ie. birth, falling off motor cycle

Question 7

Klumpke’s Palsy is seen w/ what type of injury

Answer 7

extreme abduction, i.e.. birth (pulling on arm), falling form tree & grabs a branch)

Question 8

Erb-Duchenne Palsy is a lesion to

Answer 8

C5-C6 (upper trunk)

Question 9

Klumpke’s Palsy is a lesion to

Answer 9

C8-T1 (lower trunk)

Question 10

Erb-Duchenne Palsy results in what arm position

Answer 10

waiter’s tip: arm extended at side + IR + pronation & wrist flexion

Question 11

Klumpke’s Palsy results in what arm position

Answer 11

claw hand: extended MCP + flexed DIP & PIP

Question 12

Erb-Duchenne Palsy causes what muscle deficits

Answer 12

abduction: deltoid, supraspinatus
LR: infraspinatus
flexion: biceps brachii

Question 13

Klumpke’s Palsy causes what muscle deficits

Answer 13

lumbricals, interossei, thenar, hypothenar

Question 14

Thoracic Outlet Syndrome is most likely to compress

Answer 14

lower trunk (klumpke palsy)

Question 15

What n. would most likely be injured during axillary node removal after mastectomy?

Answer 15

long thoracic n.

Question 16

Results of a long thoracic n. injury?

Answer 16

winged scapula & inability to abduct arm above the horizon

Question 17

What n. would most likely be injured while using crutches?

Answer 17

radial n.

Question 18

What n. would most likely be injured from an anterior shoulder dislocation?

Answer 18

axillary n.

Question 19

What n. would most likely be injured from falling asleep w/ arm hanging over a chair (Saturday night palsy)?

Answer 19

radial n.

Question 20

What n. would most likely be compressed from carpal tunnel syndrome?

Answer 20

Median n.

Question 21

What n. would most likely be injured from a fractured medial epicondyle?

Answer 21

ulnar n.

Question 22

What n. would most likely be injured form a fractured hook of hamate?

Answer 22

Ulnar n.

Question 23

What n. would most likely be injured from a superficial laceration of the palm?

Answer 23

recurrent median branch of the median n.

Question 24

What nerve travels w/ anterior interosseous a.?

Answer 24

anterior interosseous n.

Question 25

What nerve travels w/ posterior interosseous a.?

Answer 25

deep branch of the radial n.

Question 26

What nerve travels w/ posterior circumflex a.?

Answer 26

axillary n.

Question 27

What nerve travels w/ suprascapular a.?

Answer 27

suprascapular n.

Question 28

What nerve travels w/ thoracodorsal a.?

Answer 28

thoracodorsal n.

Question 29

What nerve travels w/ deep brachial a.?

Answer 29

radial n.

Question 30

What nerve travels w/ dorsal scapular a.?

Answer 30

dorsal scapular n.

Question 31

What nerve travels w/ lateral thoracic a.?

Answer 31

Long thoracic n.

Question 32

What nerve travels w/ ulnar a.?

Answer 32

ulnar n.

Question 33

What nerve travels w/ brachial a.?

Answer 33

median n.

Question 34

What nerve is at risk of injury w/ a fibula neck fracture?

Answer 34

common fibular n.