Final answer:
The vet assistant would not ask if the animal is stolen, but would ask about the animal's diet, medications, and name.
Step-by-step explanation:
The vet assistant would probably not ask the animal owner if the animal is stolen. This question is irrelevant to the veterinary care and treatment of the animal. The vet assistant, however, would ask about the animal's diet, medications, and name as these are important factors in providing appropriate care and treatment.