yes.
Yes
Veterinarians have, on average, moderate job security - if they are competent at their job and are in a clinic with a solid business plan, they can be relatively confident that they will have a job as long as they want it. However, changing demographics and economic realities have forced veterinarians to close clinics and relocate, particularly large animal veterinarians in the Midwest, Plains and Rocky Mountains.
I am reading the job description now.
Yes veterinarians must like animals to do a good job.
.... Yes.
the have an extremely high satisfaction in their job.
Many veterinarians enjoy helping animals and their owners by working to ensure the animal is healthy.
Veterinarians tend to not use quotes, unless that is part of the clinic culture and environment they are trying to create.
threating the sick and wounded animals
Yes, although in the United States they are referred to as vet tech (veterinary technicians) or vet assistants rather than veterinary nurses. However, the job is analogous to a nurse's job and duties.
Veterinarians do occasionally use precalculus when practicing. This is because math and science are huge components of practicing veterinary medicine.