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': 'Gettler test detects: NEET 14 \nSelect and explain. \nA. Diatoms in drowning, B. Chloride content of blood in drowning, C. Weight of lungs in drowning, D. Magnesium content of blood in drowning', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Chloride content of blood in drowning', 'role': 'assistant'}]