Mcq Subject: Orthopaedics

A patient presents with pain in the thigh, relieved by aspirin. X-ray shows a radiolucent mass surrounded by sclerosis. Diagnosis is:

A. Osteoma

B. Osteoid osteoma

C. Osteoblastoma

D. Osteoclastoma

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A patient with hip in adduction and medial rotation and is unable to move probable diagnosis is –

A. Posterior dislocation head of femur

B. Fracture shaft of femur

C. Fracture neck of femur

D. Sciatica

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A 10-year-old boy has severed his radial nerve. Which of the following cells plays a major role in axonal regrowth?

A. Fibrous astrocytes

B. Fibroblasts

C. Oligodendrocytes

D. Schwann cells

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Bone tumor arising from epiphysis is?

A. Osteoid osteoma

B. Chondrosarcoma

C. Ewings sarcoma

D. Chondroblastoma

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Bankart’s lesion is seen at

A. Post surface of glenoid labrum

B. Ant surface of glenoid labrum

C. Ant part of head of humerus

D. Post part of head of humerus

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Most common cause of osteomyelitis in drug abusers

A. Staph aureus

B. Pseudomonas deruginosa

C. staph-Epidermidis

D. Salmonella

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Most common site of TB –

A. Spine

B. Knee

C. Hip

D. Shoulder

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Which of the following is true about chondrosarcoma?

A. The peak incidence is between 10 and 20 years

B. It usually presents as a juxtacoical lesion

C. The sho bones of the extremities are the most common site

D. A slow growth rate is typical

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On 3 phase 99mTc-MDP bone scan, which of the following bone lesions will show least osteoblastic activity?

A. Paget's disease

B. Osteoid Osteoma

C. Fibrous Dysplasia

D. Fibrous cortical defect

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Osteoclasts have all of the following except –

A. Bone resorption

B. Receptor for parathormone

C. Ruffled border

D. Rank ligand

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