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14. What is the primary function of a tourniquet during orthopedic surgery?
A. Prevent nerve damage
B. Control bleeding
C. Maintain sterility
D. Reduce swelling

15. Which solution is most commonly used for pre-operative skin preparation?
A. Povidone-iodine
B. Hydrogen peroxide
C. Acetic acid
D. Isopropyl alcohol

16. What is the primary indication for using a Kirschner wire (K-wire)?
A. Ligament repair
B. Temporary bone fixation
C. Joint replacement
D. Soft tissue approximation

17. A patient recovering from an orthopedic surgery develops redness, warmth, and swelling at
the incision site. What is the most likely complication? A. Hematoma
B. Dehiscence
C. Seroma
D. Infection

18. What is the primary purpose of a bone graft in orthopedic surgery?
A. Reduce pain
B. Promote bone healing and fusion
C. Prevent infection
D. Increase joint flexibility

19. When removing surgical staples, what is the correct technique?
A. Pulling the staple straight up
B. Twisting the staple sideways
C. Using a staple remover to bend the staple in the middle
D. Cutting the staple before removal

20. Which of the following is a contraindication for the use of skeletal traction?
A. Open fractures
B. Severe soft tissue damage
C. Femoral shaft fractures
D. Cervical spine fractures