It's gonna sting but speak to your parents and hire a good lawyer especially considering you plan to enter the medical field. Many times expunged records still pop up especially if it's military,law enforcement,medical boards,school and many other things. With a good lawyer they might take pity on you given your age and that it's a 1st offense. It's a long shot but it's worth giving it a try. If you plead not guilty see if it's possible to get a public defender.
In the court near me if the person is under 21 the da or judges wants a parent to be present. I did some dumb things myself and hated breaking the new to my mother the lawyer help big time in limiting the damage. It might be a long shot but I would hire a lawyer and hope for straight out dismal if not then look in to a diversion program and ask them how viewable the records are .

