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
A 3 year old girl has developed painful elbow after being jerked by the forearm. The next thing to be done is : 
Select and explain. 
A. Cuff & collar sling immobilization., B. Raduction setting and AEPOP application, C. X-Ray and elevation of limb in posterior slab, D. Fully supinate the forearm
D: Fully supinate the forearm
Answer: D: Fully supinate the forearm 
Explanation: D i.e. Fully supinate the forearm.