This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special topics, Subject name: Forensic Medicine
[{'content': 'Cause of death in organophosphorous poisoning is due to \nSelect and explain. \nA. Cardiac failure, B. Hepatic failure, C. Renal failure, D. Respiratory failure', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The most common cause of death by organophosphate poisoning is respiratory impairment. Death usually occurs within the first 24 hours of ingestion in untreated cases.Krishan Vij textbook of forensic medicine and toxicology 5e pg: 533', 'role': 'assistant'}]