OP, if you are thinking that nursing school will provide you with a path into med school or PA school, I urge you to call and speak with the pre-med advisor at SDSU, not a nursing school advisor, and also the admissions office at UC San Diego medical school, and find out the truth from them. Just because a nursing class is named chemistry doesn’t mean it will be accepted by a med or PA school. I don’t believe that med schools would accept nursing school basic science classes as fulfilling the prereqs for med or PA school admission, but better to find out from the med schools, than to make a mistake based upon internet busybodies.
I still think that if you have the caring personality suitable for nursing school, that it is a much easier route, shorter, cheaper, with many different employment paths afterwards, including paths that allow you to practice medicine without MD supervision. Basically, if you’re wavering between the two, that says to me that you should do nursing. Most people who want med school have no interest in doing the intimate, day long bedside care that nurses are involved in - they want to diagnose and prescribe the treatment, or do surgery, or do procedures. They want to be making the decisions that may be implemented by others.