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28. Which material is most commonly used for waterproof casting?
A. Fiberglass with a special water-resistant liner
B. Traditional plaster
C. Cotton padding
D. Elastic bandages

29. What is the primary purpose of a walking heel on a short-leg cast?
A. To provide additional foot support
B. To allow for easier weight-bearing
C. To improve ankle mobility
D. To reinforce the cast structure

30. What is the most appropriate splint for an acute knee injury with suspected ligament damage?
A. Volar wrist splint
B. Posterior knee splint
C. Ulnar gutter splint
D. Sugar-tong splint

31. When should a cast window be applied?
A. To relieve pressure over wounds or pressure points
B. To improve ventilation
C. To make the cast lighter
D. To allow the patient to scratch inside the cast

32. When applying a fracture brace, what should be ensured?
A. That it completely restricts movement of all joints
B. That it provides controlled mobility while maintaining fracture alignment
C. That it is extremely tight for stability
D. That it can be removed daily for skin inspection

33. Which of the following symptoms would require immediate cast removal?
A. Mild itching inside the cast
B. Occasional muscle cramps
C. Slight discomfort when moving the fingers or toes
D. Numbness, color changes, or extreme pain

34. Which of the following is an advantage of using a removable splint over a traditional cast?
A. Provides better immobilization
B. Allows for easier skin inspection and hygiene
C. Is more durable than a cast
D. Costs significantly less than a cast