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: Forensic Medicine
'Whip-lash' injury is caused due to: AIIMS 06; Karnataka 07; BHU 12; NEET 15 
Select and explain. 
A. Fall from a height, B. Acute hyperextension of the spine, C. Blow on top to head, D. Acute hyperflexion of the spine
B: Acute hyperextension of the spine
Answer: B: Acute hyperextension of the spine 
Explanation: Ans. Acute hyperextension of the spine