This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Forensic Medicine
Filigree burn occur in 
Select and explain. 
A. Lightning, B. Electrocution, C. Vitriolage, D. Infanticide
A: Lightning
Answer: A: Lightning 
Explanation: (A) Lightning # Lightning strike - 1000 million volts or more causes Arborescent or Filigree burns or Lichtenberg's flowers which are superficial, thin, irregular and tortuous markings on the skin resembling the branches of a tree.