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Practice Questions for PLAB-1What is the specific sign of frozen shoulder?In a scaphoid fracture, why is there a high risk of avascular necrosis?What is the characteristic X-ray finding in osteosarcoma?How would you differentiate transient synovitis from septic arthritis in a child?What is the most common source of bone metastasis in males and females?Answers:%u20221. Inability to perform passive external rotation,%u20222. Blood supply is from distal to proximal,%u20223. Sunburst appearance and Codman's triangle,%u20224. Transient synovitis has milder symptoms and lower fever,%u20225. Males: prostate, Females: breast