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
LDH isoenzymes-5 is raised in which organ injury? 
Select and explain. 
A. Lungs, B. Brain, C. Heart, D. Liver and muscles
D: Liver and muscles
Answer: D: Liver and muscles 
Explanation: Ans. (d) Liver and musclesRef Biochemistry M N chatarjee 2/e, p 205, A manual of laboratory and diagnostic tests, p 429