This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thermal injury, Subject name: Forensic Medicine
[{'content': 'Lightening 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: Reff: The synopsis of forensic medicine & Toxicology 28th editipn pg: 173 Direct effect from electrical discharge passing to the eah surface produces 'flash burns', mechanical effect due to force of displaced air and compression effect due to air movement in its return wave produces the changes.", 'role': 'assistant'}]