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21. Which type of orthopedic fixation is considered external?
A. Intramedullary rod
B. Plate and screws
C. External fixator
D. Compression screw

22. What is the primary function of a drain placed post-operatively in orthopedic surgery?
A. Prevent deep vein thrombosis
B. Reduce swelling
C. Remove excess fluids and prevent hematoma
D. Provide antibiotic infusion

23. What is a potential complication of prolonged tourniquet use?
A. Increased blood loss
B. Nerve damage and tissue ischemia
C. Decreased surgical visibility
D. Rapid wound healing

24. Which of the following is an appropriate action when preparing a surgical site for an open
fracture repair?
A. Clean the wound thoroughly and apply sterile dressing
B. Use a dry dressing only
C. Apply direct pressure with a tourniquet
D. Avoid irrigation to prevent contamination

25. What is the primary purpose of casting after fracture reduction?
A. Improve range of motion
B. Immobilize and stabilize the fracture
C. Increase muscle strength
D. Reduce swelling

26. Which medication is commonly prescribed for post-operative pain management in orthopedic
surgery?
A. Acetaminophen
B. Ibuprofen
C. Morphine
D. All of the above

27. Which orthopedic procedure is performed to remove a damaged portion of a joint surface?
A. Arthroplasty
B. Osteotomy
C. Arthroscopy
D. Laminectomy