Job Interview Tuesday

I'm a new CMA CET CPT and Tuesday i have a phone interview with the local hospital here. the position is for a patient care tech who can do phlebotomy and EKG in the PACU, can anyone whose has worked in a unit like that before give me any tips or if anyone could give me interview tips in general? being a new cma im very nervous, i have been a emergency medical technician for 7 years and just got my ma ekg and phlebotomy this month