Give him a friendly reminder that YOU have an RN degree and YOU are a professional and expect to be treated as one, and also a friendly reminder that OSHA states that on the job harrassment is NOT...
Maybe there's smaller things you're overlooking, things in your resume? Maybe spice things up a bit... Or call back after you turn in your application and resume for a follow
keep the funds and med surg, and if you're thinking about working in OB, keep the OB book... if you're not interested in psych, then sell it... Better than collecting dust