Joaquin is trying to decide which career in the healthcare industry to pursue. One of the most important things to Joaquin is understanding how long he is going to have to go to school to enter a certain path. As he is looking at different healthcare careers, Joaquin sees several different requirements, such as OJT, HSTE, AA, BS/BA, MS, and Doctoral. Help Joaquin decode these abbreviations and explain the difference between them.