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': 'What is the meaning of the term hydrocution? \nSelect and explain. \nA. Electrocution in water, B. Dry drowning, C. Drowning in cold water, D. Postmoem immersion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hydrocution or immersion syndrome or submersion inhibition: Death results from cardiac arrest due to vagal inhibition as a result of, a) Cold water stimulating the nerve endings of the surface of the body b) Water striking the epigastrium c) Cold water entering the ear drums, nasal passages, and the pharynx and larynx which cause stimulation of nerve endings of mucosa Ref: The essentials of forensic medicine and toxicology by Dr K S Narayan Reddy, 27th edition, Page 324.', 'role': 'assistant'}]