2551. The most important histological feature of muscle dystrophy is ________.
A. Muscle fibres replaced by fat
B. Splitting of muscles fibres
C. Necrosis of muscle fibres with PPMN cell infiltration
D. Disappearance of muscle fibres replaced by fat/fibrous tissue. *
2552. In muscle atrophy of disuse, the first change noted is __________.
A. Fatty infiltration
B. Disappearance of the smallest muscle fibres
C. Loss of muscle volume due to shrinkage of sarcoplasm *
D. Oedema of Muscle fibres
2553. Acute toxic myopathy may follow infection with ________.
A. Polio virus
B. Echo virus
C. Coxasackle virus *
D. All of the above
2554. The joint most likely to have recurrent dislocation is _________.
A. Ankle
B. Knee *
C. Shoulder
D. Patella
2555. Sun ray appearance of osteosarcoma is because of ________.
A. Periosteal reaction
B. Osteonecrosis
C. Calcification along vessels *
D. None of the above
2556. Origin of osteogenic sarcoma may be related to all except _______.
A. Radiation
B. Chronic osteomyelitis *
C. Paget’s disease
D. Sarcoma Virus
2557. Rapidly increasing knee swelling with snow storm appearance in X-ray is suggestive of _________.
A. Osteogenic sarcoma
B. Osteoclastoma
C. Malignant synovioma *
D. None of the above
2558. Osteoblastic secondaries arise most commonly from carcinoma of _______.
A. Prostate *
B. Tibia
C. Radius
D. Ribs
2559. The most common site of Ewing sarcoma is ____________.
A. Femur
B. Tibia *
C. Radius
D. Ribs
2560. The characteristic X-Ray feature of Ewing sarcoma is ___________.
A. Sunburst appearance
B. Prominent card man’s triangle
C. Onion layering *
D. Osteosclerosis