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
Fat embolism may ensue following 
Select and explain. 
A. Fracture of spine and ribs, B. Fractured fibula, C. Fracture of skull bone, D. Fracture of long bones only
D: Fracture of long bones only
Answer: D: Fracture of long bones only 
Explanation: D i.e. Fracture long bones only