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: Orthopaedics
Not a delayed complication of fracture 
Select and explain. 
A. Osteoarthritis, B. Joint stiffness, C. Avascular Necrosis, D. Hypovolemic shock
D: Hypovolemic shock
Answer: D: Hypovolemic shock 
Explanation: Hypovolemic shock is an immediate complication of fractures.