This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Which among the following is a non-freezing cold injury? \nSelect and explain. \nA. Frost bite, B. Chilblains, C. Trench foot, D. Frost nip', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cold injury: An injury caused by exposure to extreme cold that can lead to loss of body pas and even to death. Freezing: Examples of cold injury are chilblain, frostbite, and frostbite. Non-freezing cold injury (NFCI) is an injury to the hands or feet resulting from exposure to wet conditions and temperatures just above freezing, typically found in soldiers. EX: Trench (immersion) foot Ref : Park 23rd edition Pgno : 748', 'role': 'assistant'}]