11 - blount's disease ?
a - genu valgus
b- tibia vara
c- flat foot
d- genu recurvatum
answer is a . knock knee or genu valgus .
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12 - bunion is ?
a - exostosis
b - adventitious bursitis lateral to first metatarsal
c - base of 1st metatarsal
d - head of first metatarsal
answer is b .
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13 - distal interphalangeal joint is not involved in ?
a- rheumatoid arthritis
b- psoriatic arthritis
c- multicentric histiocytosis
d- neuropathic arthropathy
answer is A. the proximal interphalangeal joints are involved in rheumatoid arthritis and the nodes formed in these PIP s are called bouchard's nodes . my mnemonic BRA . :-)
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14 - syme's amputation involves which joint ?
a- ankle
b- midtarsal
c- tarsometatarsal
d- all of the above
answer is A .
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15 - march fracture most often involves ?
a- 1st metatarsal
b- 2nd metatarsal
c- 3rd metatarsal
d- fibula
answer is both b and c . any of the 2nd and 3 rd metatarsal may be involved .
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16 - diaphyseal tumors- ewing's tumor , osteiod osteoma , adamantinoma , enchondroma
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17 - epiphyseal tumors - osteoclastoma , chondroblastoma
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18 - metaphyseal tumors - osteosarcoma , chondrosarcoma , osteochondroma , aneurysmal bone cyst , unicameral bone cyst , osteomyelitis .
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19 - most common site of osteogenic sarcoma ?
a- femur upper end
b- femur lower end
c- tibia upper end
d- tibia lower end
answer is b . femur lower end .
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20 - soap bubble appearance is the radiological feature of ?
a- osteoclastoma or GCT
b- osteosarcoma
c- osteoid osteoma
d- chordoma
answer is a .
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