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
[{'content': 'In a blast injury, which of the following organ is least vulnerable to the blast wave - \nSelect and explain. \nA. G.I. tract, B. Lungs, C. Liver, D. Ear drum', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Primary blast injuries result from the rapid overpressure or shock waves produced by an explosion\n• These injuries result from the dramatic changes in barometric pressure projected from the point of detonation\n• Primary blast injuries predominantly cause damage to air filled hollow organs of the body from rapid pressure change (barotraumas).\\\n• Damage to air filled organs includes middle ear, lungs and GIT.\n• Most sensitive and most frequently injured hollow organ: Tympanic membrane\xa0> Lungs\n• Blast damage to the lungs is the MC cause of life threatening injury\xa0following an explosion.', 'role': 'assistant'}]