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21. What is the most common cause of lateral epicondylitis (tennis elbow)?
A. Repetitive wrist extension and forearm supination
B. Direct trauma to the elbow
C. Lifting heavy objects improperly
D. Compression of the ulnar nerve

22. Which of the following is the most appropriate initial imaging study for evaluating a
suspected femoral shaft fracture?
A. CT scan
B. MRI
C. AP and lateral X-rays of the femur
D. Bone scan

23. Which of the following is a red flag symptom requiring urgent referral in a patient with low
back pain?
A. Pain that improves with rest
B. Morning stiffness lasting 15 minutes
C. Saddle anesthesia and bowel or bladder dysfunction
D. Localized tenderness over the lumbar spine

24. What is the best method to test for Achilles tendon integrity?
A. Thompson test
B. Hawkins-Kennedy test
C. McMurray test
D. Speed’s test

25. Which brace is typically used to treat scoliosis in adolescents?
A. Milwaukee brace
B. TLSO brace
C. Knee-ankle-foot orthosis (KAFO)
D. Halo traction device

26. A 68-year-old patient with a hip fracture is at risk for which serious complication?
A. Compartment syndrome
B. Deep vein thrombosis (DVT)
C. Rotator cuff tear
D. Patellar dislocation

27. A boxer's fracture typically involves which bone?
A. First metacarpal
B. Fifth metacarpal
C. Radius
D. Scaphoid