Musculoskeletal

Question 1

radial nerve sensory distribution

Answer 1

dorsal forearm and hand/first 3 fingers

Question 2

pronation, thumb opposition

Answer 2

median nerve

Question 3

median nerve sensory distribution

Answer 3

palmar hand/first 3 fingers

Question 4

Ulnar sensory distribution

Answer 4

palmar and dorsal of last 2 fingers

Question 5

Peroneal sensory distribution

Answer 5

dorsal foot and lateral leg

Question 6

Peroneal muscle action

Answer 6

dorsiflexion and eversion of foot

Question 7

L4 motor action and sensory distribution

Answer 7

foot dorsiflexion, medial lower leg

Question 8

L5 motor action and sensory distribution

Answer 8

big toe dorsiflexion and foot eversion, dorsum of foot and lateral lower leg

Question 9

S1 motor action and sensory distribution

Answer 9

plantar flexion and hip extension, plantar and lateral foot

Question 10

knee pain, soap bubble appearance on xr

Answer 10

giant cell tumor of bone

Question 11

onion-skinning on xr

Answer 11

Ewing’s sarcoma

Question 12

bone pain worse at night, constitutional sx, Codman’s triangle, sunburst pattern on xr

Answer 12

osteosarcoma

Question 13

Tx septic arthritis

Answer 13

ceftriaxone (gram -) and vanc (gram +)

Question 14

needle-shaped, negatively birefringent crystals

Answer 14

gout = monosodium urate crystals

Question 15

rhomboid shaped crystals

Answer 15

pseudogout = calcium pyrophosphate

Question 16

rat-bite erosions

Answer 16

gout

Question 17

Tx acute gout

Answer 17

NSAIDS then colchicine then corticosteroids

Question 18

Tx chronic gout

Answer 18

allopurinol or probenecid (undersecreters)

Question 19

arthritis following illness / uveitis

Answer 19

reactive arthritis

Question 20

sausage-fingers and DIP joint arthritis

Answer 20

psoriatic arthritis

Question 21

scaly, papular rash on dorsal hands / bony prominences

Answer 21

Gottron’s papules = Dermatomyositis

Question 22

anti-CCP

Answer 22

RA

Question 23

Anticentromere

Answer 23

CREST

Question 24

anti-dsDNA

Answer 24

SLE

Question 25

antihistone

Answer 25

drug-induced lupus

Question 26

anti-Jo1

Answer 26

poly/dermatomyositis

Question 27

antimitochondrial

Answer 27

PBC

Question 28

antinuclear

Answer 28

scleroderma

Question 29

anti-Scl70

Answer 29

scleroderma

Question 30

anti-Smith

Answer 30

SLE

Question 31

anti-smooth muscle

Answer 31

AI hepatitis

Question 32

anti-topoisomerase I

Answer 32

scleroderma

Question 33

anti-TSHR

Answer 33

Grave's d/s

Question 34

c-ANCA

Answer 34

Wegener's granulomatosis

Question 35

p-ANCA

Answer 35

microscopic polyangiitis

Question 36

U1RNP

Answer 36

mixed connective tissue disease

Question 37

SE of hydroxychloroquine

Answer 37

retinal toxicity

Question 38

Tx CREST

Answer 38

corticosteroids for flares, penicillamine for skin changes, CCBs for Raynaud's, ACEI to prevent renal d/s