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13. Which type of splint is used to stabilize a humeral shaft fracture?
A. Ulnar gutter splint
B. Coaptation splint
C. Volar wrist splint
D. Thumb spica splint

14. What is the primary purpose of a posterior long arm splint?
A. Stabilize ankle fractures
B. Support clavicle fractures
C. Immobilize elbow and forearm injuries
D. Restrict shoulder movement

15. Which practice minimizes pressure sores under a cast?
A. Wrapping tightly to prevent movement
B. Using minimal padding for a snug fit
C. Applying padding evenly over bony prominences
D. Applying cast material directly on the skin

16. Which condition is a contraindication for casting?
A. Stable distal radius fracture
B. Open fracture with exposed bone
C. Simple sprain
D. Tendonitis

17. Which modification is made to a cast to inspect a wound or relieve pressure?
A. Bi-valving
B. Waterproofing
C. Reinforcing
D. Windowing

18. Which type of cast is recommended for pediatric clubfoot correction?
A. Short arm cast
B. Ponseti serial casting
C. Long leg cast
D. Thumb spica cast