This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Non - union is a complication of : 
Select and explain. 
A. Scaphoid, B. Colle's, C. Inter- trochanteric of hip, D. Supra condylor of the humerus
A: Scaphoid
Answer: A: Scaphoid 
Explanation: A i.e. Scaphoid Fracture Fracture head & neck femur, fracture body of talus and fractures through waist of scaphoid most commonly leads to nonunion and avascular necrosis due to poor blood supplyQ