There are many topics a veterinarian needs to know: anatomy, physiology, physics, chemistry, pharmacology, pathology and epidemiology.
To become a veteran NO. To be a veterinarian YES.
No, you have to go to veterinarian college in person.
To the best of my ability to research this, "Burrin Turnbulle" didn't become a veterinarian, or at least was not a famous veterinarian. Therefore, it is almost impossible to figure out what would have motivated this person (if this person existed - I also can't find any mention of this individual) to become a veterinarian.
how many years do you do in order to be a proffesional veterinarian
A doctor that treats animals is called a veterinarian.
No
No, you may return to college, complete the pre-requisite courses and apply to vet school without becoming a vet tech. In fact, it is rare that a veterinarian was ever formally trained as a vet tech.
It may take five to six years to become a veterinarian. Further getting the practical expereince in this provides the professionalism.
you don't eat meat
I'm guessing that you would need biology and chemistry as well as animal medicine
you have to take a test on veterinarian medicines
Very few veterinarians quit the profession entirely - there are relatively few veterinarians overall, and to become a veterinarian you must be very passionate and dedicated to the profession because it is extremely difficult to become a veterinarian.