This is a test of commonsense. Complete the next sentence:

How to sue for veterinary malpractice
Preserve the animal's remains.
If the animal died, then preserve it. Take it to a second vet, which can perform an animal autopsy (called a " necropsy ").
The purpose of the necropsy is to find out what killed the animal. If you are too emotional, then call a friend and have him or her help you.