MSK

Question 1

Waiter’s tip/Erb Palsy

Answer 1

upper trunk, C5/C6

Question 2

Claw hand/Klumpke’s palsy

Answer 2

lower trunk, C8/T1

Question 3

Winged Scapula

Answer 3

long thoracic nerve (C5-7)

Question 4

wrist drop

Answer 4

radial n.

Question 5

ulnar claw

Answer 5

can’t extend 4/5 fingers

Question 6

median claw

Answer 6

can’t straighten 2/3 fingers

Question 7

osteopetrosis

Answer 7

defective osteoclasts/carbonic anhydrase II mutation

Question 8

osteomalacia

Answer 8

increased ALP

Question 9

Paget’s disease out comes

Answer 9

high output heart failure

risk of osteogenic sarcoma

Question 10

polyostotic fibrous dysplasia

Answer 10

McCune-Albright syndrome

Question 11

giant cell tumor/osteoclastoma

Answer 11

double bubble/soap bubble apperance

spindle-shaped cells

Question 12

osteochondroma

Answer 12

benign

Question 13

Osteosarcoma

Answer 13

association with familial Rboma, Paget’s

elevation of periosteum

Question 14

Ewing’s sarcoma

Answer 14

small blue cell, malignant
onion skin appearance
associated with 11,22 translocation

Question 15

chondrosarcoma

Answer 15

men 30-60

Question 16

sjogren’s syndrome

Answer 16

increases risk of B cell lymphoma, dental carries

Question 17

Polymyositis cause

Answer 17

endomysial inflamm with CD8 T cells

Question 18

dermatomyositis

Answer 18

perimysial inflamm and atrophy with CD4 T cells

Question 19

acantholysis

Answer 19

pemphigus vulgarius

Question 20

acanthosis

Answer 20

acanthosis nigicans

Question 21

albinism

Answer 21

decreased melanin due to decreased tyrosinase activity

Question 22

dermatitis herpetiformis

Answer 22

associated with celiac disease

Question 23

erythema multiforma

Answer 23

mycoplasma, HSV

sulfa drugs, B lactam, phenytoin

Question 24

acanthosis nigricans

Answer 24

hyperinsulinemia

Question 25

actinic keratosis

Answer 25

percursor to squamous cell carcinoma

Question 26

erythema nodosum

Answer 26

sarcoid ,coccid, histo, TB streptococcal leprosy Crohn's

Question 27

Lichen Planus

Answer 27

6 P's | associated with hep C

Question 28

Basal cell carcinoma

Answer 28

doesn't metastasize | palisading nuclei

Question 29

Squamous cell carcinoma

Answer 29

may spread to LNs | keratin pearls

Question 30

vemurafenib

Answer 30

BRAF kinase inhibitor for metastatic melanoma

Question 31

Aspirin AE

Answer 31

gastric ulceration, tinnitus

Question 32

celecoxib AE

Answer 32

increased risk of thrombosis | sulfa allergy