This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Investigations, Subject name: Forensic Medicine
[{'content': 'Primary injury is - \nSelect and explain. \nA. Due to flying debris, B. Due to blast wind, C. Due to shock wave, D. Due to complication', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Due to shock waveTypes of blast injurieso These are of following types1) Primary : It is due to shock wave which causes injury to hollow organs, e.g. ears, lungs, eyes, GIT etc.Secondary : These are due to flying debris (missiles). Classical Marshalls triad i.e. bruises, abrasions and puncture laceration is diagnostic of explosive injury.Tertiary : It is due to blast wind, i.e. victm is thrown into air and strikes other objects leading to fracture, blunt trauma etc.Quaternary : Any complicating factor (not in first three categories) causes quaternary injury, e.g. anoxia, respiratory problems etc.", 'role': 'assistant'}]