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
What postmortem examination should be carried on dead rats during the course of an experiment? 
Select and explain. 
A. morphological aspect, B. kidney., C. tissular damage, D. Brain tissue
A: morphological aspect
Answer: A: morphological aspect 
Explanation: None