1. Osteoblastic metastasis is seen : A. Prostate carcinoma B. Multiple myeloma C. Thyroid carcinoma D. Renal carcinoma

2. Diffuse axonal injury is best detected on: A. Non-contrast CT B. Contrast CT C. MRI D. Transcranial Doppler E. All folse 3. Radioactive substance used in a bone scan is: A. Gallium-67 B. Iodine-131 C. Phosphorus-32 D. Technatium-99m 4."Punched-out" lesions in skull of an elderly patients is diagnostic of : A. Lymphoma B. Metastases C. Multyple myeloma D. Chronic granulomatous infection 5. Multiple "rain-drop" like Osteolytic lesions in skull are seen in: A. Lead poisoning B. Litterer's siwe disease C. Intracranial tension D. Multiple fractures 6. Ealiest sing in Rheumatoid Arthrites is: A. Decreased joint space B. Periarticuar osteoporosis C. Periarticuar soft tissue swelling D. Reduced joint space 7. "Spoke-wheel pattern " of calcification within an Osteolytic lesion of bone is characteristic of: A. Hemangioma B. Secondaries C. Plasmacytosis D. Hydatid disease 8. Calcification of intervertebral disc is seen in:

A. Gout B. Rheumatoid C. Alkaptonuria D. Psoriasis E. Connective tissue disease 9. X-rays findings of fibrous dysplasy : A. Ground glass density B. Calcification C. Cortical thikhening D. Bony expansion E. Hematological disorders 10. "Sunray" appearance on X-rays is suggestive of: A. Chondrosarcoma B. Metastatic tumor the bone C. Osteogenic Sarcoma D. Ewing's sarcoma E. All are folse. 11. Looser's zones are the features of : A.Osteomalacia B.Cushing's Syndrome C.Paget's disease D.Multiple myeloma 12.Codman's triangle is seen in: A.Chondroblastoma B.Osteosarcoma C.Chondrosarcoma D. Paget's disease 13.Wimberger's sing is found in: A. Lead poisoning B. Rickets C. Osteomalacia D. Scurny