The most common careers in anesthesia are those of administers. Physician anesthesiologists are the most highly trained and skilled in the field of anesthesia. Those in this career path must attend medical school, training in the field of anesthesia, and gain a license. Specialization doesn’t go further in this career, but anesthesiologist generally become most skilled with the anesthetic they use most. Certified registered nurse anesthetics are also very skilled in anesthetics. They must attend nurse school and attain a license. They generally only administer anesthesia though. Others in the medical field are also able to administer anesthesia, but they have little or no prior training. These people include dentists, doctors, radiologists, and registered nurses.