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
[{'content': 'Lightning flash can cause injury by all of the following, Except: \nSelect and explain. \nA. Direct effect of electric current, B. Super heated air, C. Expanded and repelled air, D. Compressed air pushed in front of the current', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Compressed air pushed in front of the current Lightning flash can cause injury by 4 factors (of Spencer) which are - direct effect of high voltage current, burning caused by superheated air, effect of expanded and repelled air and sledge hammer blow by compressed air pushed before (not in front of) the currentQ.', 'role': 'assistant'}]