31 - orthopedics MCQ s - 21 to 30

21 - chondroblastomas most commonly occurs in ?

a- epiphysis
b- diaphysis
c- metaphysis
d- medullary cavity

answer is a . other epiphyseal tumor is osteoclastoma also called THE GIANT CELL TUMOR .

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22 - BOUCHARD'S NODES are seen in ?

a- proximal IP joints
b- distal IP joints
c- sternoclavicular joints
d- knee joints

answer is a . PIP JOINTS in rheumatoid arthritis . remember my mnemonic BRA . :-)

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23 - positivity of HLA B 27 in ankylosing spondylitis is ?

a- 96 %
b- 10 %
c- 78 %
d- 100 %

answer is a .

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24 - osteoarthritis involves all except ?

a- hip joint
b- knee joint
c- distal interphalangeal joints
d- metacarpophalangeal joint of the thumb
e- shoulder joint

answer is d .

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25 - metabolic bone disease is caused by excess intake of which vitamin ?

a- vit A
b- vit B
c- vit C
d- vit D
e- vit E

answer is both a and d . that is both vitamin A and D .

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26 - osteoporosis is associated with ?

a- smoking
b- reduced weight for height
c- family history present
d- late child birth

answer is a .

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27 - trendelenburg test is positive due to injury of which nerve ?

a- superior gluteal nerve
b- inferior gluteal nerve
c- pudendal nerve
d- obturator nerve

answer is a . superior gluteal nerve supplies the gluteus medius and gluteus minimus which are the abductors of hip.

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28 - sever's disease refers to ?

a- calcaneum
b- radius
c- talus
d- capitulum

answer is a . calcaneum osteochondritis is called sever's disease . the osteochondritis of the navicular bone is called kohler's disease . osteochondritis of the capitulum of the humerus is called panner's disease .

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29 - lisfranc dislocation is ?

a- tarsometatarsal dislocation
b- lunate dislocation
c- scaphoid dislocation
d- posterior dislocation of the elbow

answer is a . tarsometatarsal dislocation.

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30 - pathological changes in caissons disease is due to ?

a - N2
b- O2
c- CO2
d- CO

answer is a .

11 - Osteochondritis of different bones - eponyms

1- osteochondritis of the capitulum of humerus - panner's disease

2- osteochondritis of the lunate bone - keinbock's disease

3- osteochondritis of the femoral head - perthe's disease .

4- osteochondritis of the tibial tubercle - osgood shlatter's disease

5- osteochondritis of the calcaneal tuberosity - sever's disease

6- osteochondritis of the navicular bone - kohler's disease

7- osteochondritis of the metatarsal head - freiberg's disease

8- osteochondritis of the ring epiphysis of the vertebrae - scheurmann' s disease

9- osteochondritis of the central bony nucleus of vertebral body - calve's disease .

6 - sever's disease

what is sever's disease ?

a- osteochondritis of calcaneal tuberosity
b- osteochondritis of navicular bone
c- osteochondritis of metatarsal head
d- osteochondritis of femoral head

answer is a .