Mayo Clinic - - Responsibilities: The PCA assists nursing staff with delegated tasks of direct and indirect patient care under the supervision of a registered nurse; Carries out designated skills within the functions of a certified nursing assistant as defined by the Arizona State Board of Nursing; Demonstrates knowledge of growth and development through the life span and interprets information relative to age-specific needs; Communicates data reflective of the patient's status and delegated tasks and/or functions; Works flexible hours, including days, evenings, nights, holidays, and weekends