Saturday , April 4 2020

Orthopedics Practice Quiz Test

1 >>GCT malignant component is: ?

  • (A) Giant cells
  • (B) Mononuclear cells
  • (C) Both
  • (D) None

2 >>Which of the following is a variant of giant cell tumor: ?

  • (A) Ossifying fibroma
  • (B) Non-ossifying fibroma
  • (C) Osteogenic sarcoma
  • (D) Chondroblastoma

3 >>The differential diagnosis of lesion, histologically resembling giant cell tumor in the small bones of the hands or feet, includes all of the following except: ?

  • (A) Aneursymal bone cyst
  • (B) Fibrosarcoma
  • (C) Osteosarcoma
  • (D) Hyperparathyroidis

4 >>Osteoclastoma is treated with: ?

  • (A) Joint replacement
  • (B) Excision
  • (C) Curettage
  • (D) Arthrodesis

5 >>Soap bubble appearance at lower end of radius, the treatment of choice is: ?

  • (A) Local excision
  • (B) Excision and bone grafting
  • (C) Amputation
  • (D) Radiotherapy

6 >>Mandible most common tumor: ?

  • (A) Ameloblastoma
  • (B) Squamous cell carcinoma
  • (C) Osteoid osteoma
  • (D) Metastasis

7 >>Characteristic radiological feature of fibrous dysplasia is: ?

  • (A) Cortical Thickening
  • (B) Cortical calcification
  • (C) Ground glass appearance
  • (D) Bone enlargement

8 >>True about Ameloblastoma ?

  • (A) Cystic lesion
  • (B) Rapidly growing
  • (C) Malignant disease
  • (D) MC site is Tibia

9 >>A33-year-oldmanpresentedwithaslowlyprogressiveswelling in the middle 1/3rd of his right tibia. X-rays examination revealed multiple sharply demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen revealed island of epithelial cells in a fibrous stroma. Which of the following is the most probable diagnosis? ?

  • (A) Adamantinoma
  • (B) Osteofibrous dysplasia
  • (C) Osteosarcoma
  • (D) Fibrous cortical defect

10 >>Most common site of admantinoma of the long bones is: ?

  • (A) Femur
  • (B) Ulna
  • (C) Tibia
  • (D) Fibula

11 >>Most common site of origin of amelobastoma is: ?

  • (A) Mandible near molar tooth
  • (B) Middle alveolar margins
  • (C) Hard palate
  • (D) Mandible near symphisis menti

12 >>Children with germline retinoblastoma are more likely to develop other primary malignancies in their later lifetime course. Which of the following can occur in such patients? ?

  • (A) Osteosarcoma of lower limbs and soft tissue sarcoma
  • (B) Thyroid carcinoma
  • (C) Seminoma
  • (D) Squamous cell carcinoma

13 >>X-ray appearance of osteosarcoma are all except: ?

  • (A) Periosteal reaction
  • (B) Codman’s triangle
  • (C) Soap-bubble
  • (D) Sunray appearance

14 >>Codman’s ? is most commonly seen in: ?

  • (A) Chondroblastoma
  • (B) Osteosarcoma
  • (C) Multiple Myeloma
  • (D) Hemangioma

15 >>Codman’s triangle and onion peel appearance are most commonly seen in: ?

  • (A) Benign bone tumors
  • (B) Malignant bone tumors
  • (C) Traumatic conditions
  • (D) Pagets disease

16 >>Matrix forming tumor is: ?

  • (A) Osteosarcoma
  • (B) Chondrosarcoma
  • (C) Fibrosarcoma
  • (D) Ewing’s sarcoma

17 >>Osteosarcoma most commonly affects: ?

  • (A) Femur
  • (B) Humerus
  • (C) Tibia
  • (D) Vertebrae

18 >>Radiation induced tumor: ?

  • (A) Osteosarcoma
  • (B) Ewing’s sarcoma
  • (C) Multiple myeloma
  • (D) Chondrosarcoma

19 >>Which of the following malignant tumors is radioresistant? ?

  • (A) Ewing’s sarcoma
  • (B) Retinoblastoma
  • (C) Osteosarcoma
  • (D) Neuroblastoma

20 >>Which of the following is a pulsatile tumor: ?

  • (A) Osteosarcoma
  • (B) Chondrosarcoma
  • (C) Osteoclastoma
  • (D) Ewing’s sarcoma

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