The answer to this question needs extensive research. Do you have enough educational and research background to conduct that kind of research independently? Is there a potential for securing grants? Does the university have capability of accommodating such research activity? Will the research add to the already diminishing glory of the institution?

If you didn't like the place where the organization is located, you end up quitting or looking for another job in some place you like better

Elicit positive points about the university and how they fit well to serve you towards your goal. Channel your response along these lines

The employer's concern is to avoid someone with a tarnished professional record. But they sure know that medical malpractice lawsuits are a commonplace and unless you have done anything out of the ordinary, that should not worry you. So it is important to tell them the truth. This will save you from problems later on.  Be sure to tell your story in a positive light.

Tell something commendable about the institution like "I am impressed by the organization of the services and the procedures."

Medical procedures are paid reasonably well. If you are skillful in one or more procedures that may help the practice to grow then you will be in demand. Your willingness to learn more is a positive feature.