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
Factors oring fat embolism in trauma patient: 
Select and explain. 
A. Diabetes Mellitus, B. Mobility of joint, C. Resp. failure, D. All
B: Mobility of joint
Answer: B: Mobility of joint 
Explanation: B ie Mobility of joint