text: what are pros and cons of becoming a registered nurse? i am planning to pursue a career in the medical field but i am not sure of what exactly i want to do... depends if you have a heart to help make the sick well and to confort the dying.that would be an asset.if you cant stomach the sight of bodily fluids then this profession is not for you. depending where you live or will live in the furture you can really get a great salary plus many perks that goes with an rn.big cities pay more than small towns.