This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fracture Management, Subject name: Orthopaedics
[{'content': 'Weight allowed in skeletal traction up to: \nSelect and explain. \nA. 5 kg, B. 10 kg, C. 20 kg, D. 30 kg', 'role': 'user'}, {'content': "Answer: C \nExplanation: SKIN AND SKELETAL TRACTION Skin traction Skeletal traction Indication Mild to moderate force Moderate to severe force Weight permitted 4-5 kg Up to 20 kg Applied with Buck's traction (conventional skin traction) or Gallow's / Bryant 's traction for fracture femur < 2 yr K wire, Ilizarov's wire Crutchfield's tong Steinmann pin, Denham pin are used for skeletal traction", 'role': 'assistant'}]