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 \nSelect and explain. \nA. Magnesium content of blood in drowning, B. Weight of lungs in drowning, C. Chloride content of blood in drowing, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gettler test estimates chloride content of blood is drowning. It is helpul in differentiating\xa0 fresh water drowning from sea water drowning.', 'role': 'assistant'}]