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28. A patient presents with severe hip pain and a positive Trendelenburg sign. Which condition
is most likely?
A. Hip fracture
B. Osteoarthritis
C. Sciatica
D. Developmental dysplasia of the hip

29. What is the primary risk associated with improperly applied skin traction?
A. Deep vein thrombosis
B. Skin breakdown and pressure ulcers
C. Bone displacement
D. Excessive pain relief

30. Which of the following instruments is commonly used to retract soft tissues during
orthopedic surgery?
A. Army-Navy retractor
B. Rongeur
C. Kocher clamp
D. Metzenbaum scissors.

31. What is the most appropriate intervention for a post-operative patient with signs of deep vein
thrombosis (DVT)?
A. Encourage ambulation
B. Apply a warm compress
C. Notify the physician immediately
D. Massage the affected area

32. Which of the following is a common indication for external fixation?
A. Open fractures with significant soft tissue damage
B. Closed femoral shaft fractures
C. Degenerative joint disease
D. Chronic osteoarthritis

33. What is the primary purpose of negative pressure wound therapy in orthopedic surgery?
A. Reduce infection risk
B. Increase blood circulation
C. Promote wound healing and drainage
D. Improve bone regeneration

34. What is the correct procedure when applying a tourniquet for a limb surgery?
A. Inflate the tourniquet before positioning the limb
B. Inflate the tourniquet after exsanguinating the limb
C. Keep the tourniquet inflated for over two hours
D. Deflate the tourniquet intermittently every 10 minutes