This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'LDH isoenzymes-5 is raised in which organ injury? \nSelect and explain. \nA. Lungs, B. Brain, C. Heart, D. Liver and muscles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Liver and musclesRef Biochemistry M N chatarjee 2/e, p 205, A manual of laboratory and diagnostic tests, p 429', 'role': 'assistant'}]