In the United States, for the most part the answer is no. Generally you can find a practice to work at within an acceptable commute from where you live. However, depending upon the type of medicine you want to practice, you may need to relocate. For instance, if you live in New York City but want to practice beef cattle medicine, you will need to move to where the beef cows are.
Vet as in veteran or as in veterinarian? To be a veterinarian would require a university degree, and that would be in veterinary science.
the veterinarians cant do everything by their self and just like a doctor would need a nurse a veterinarian needs an assistant.
It may take five to six years to become a veterinarian. Further getting the practical expereince in this provides the professionalism.
You would need to attend a school of veterinary medicine if you wanted to become a veterinarian.
I would suggest taking your puppy to your veterinarian, along with a sample of the bloody feces. In a puppy, I would suspect hookworms or roundworms, but your veterinarian will need to do a physical examination to see what is happening.
You would need to ask your veterinarian if he/she was willing to communicate via email - some veterinarians don't have the time for email conversations while others use it extensively.
Antibiotics and antiinflammatories possibly a diruetic but you would need to talk to a veterinarian.
This would need to be purchased by a veterinarian from a licensed pharmacologic company such as Pfizer or Bayer.
In the United States, this would require a State Licensing Board to permanently revoke the veterinarian's license. However, this veterinarian may be able to move to another state and be licensed there.
Being an experienced veterinary technician will give you a leg up, but you still need to get a bachelor's degree (preferably in a science) and get into and successfully complete veterinary school. See the related question on what is need to be a veterinarian.
To be a volunteer veterinarian you don't necessarily need to high of skills, after all, you aren't being paid. If you would like to be a veterinarian as a job, it would take about 7 years of college, and a highschool diploma.
Yes, you would need college-level physics to become a veterinarian. This is part of the pre-requisite classes for application to vet school in the United States. Veterinarians need to have a basic foundation to understand physics so they will understand how to use and adjust imaging machines like ultrasounds and radiographs.