Re: Med school after nursing?
You can go to med school whenever you want, provided you've graduated from an accredited four year university with a great GPA, completed your pre-med requirements, have good MCAT scores, and have sufficient research and volunteer experience to impress a school enough for them to admit you. Being a nurse, especially a squeamish nurse, isn't going to give you much of a leg up.
Don't go into nursing just to be an MD/OD one day. They are different professions and have very different educational requirements and nursing school covers very few, if any, premed classes. You would probably have to spend at least another full year in school to take pre-med classes. You need a couple semesters each of calculus, college bio, college chem, organic chem and physics, as well as a few other classes.
A physician isn't a nurse who's had a lot of promotions, but rather, someone who's had a 4 year medical education, where as a nurse is someone with a nursing education. There's some overlap in what nurses and docs know and do, but they have very different ways of thinking about health and sickness.
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