A Certified Registered Nurse Anesthetist (CRNA) provides anesthesia care primarily for pediatric patients undergoing various surgical procedures. The role involves working shifts from 7am to 3pm with on-call duties in the evenings and weekends. Responsibilities include administering anesthesia for general surgery, endoscopy, obstetrics, gynecology, podiatry, urology, ear-nose-throat, and orthopedic cases, excluding cardiac and neurosurgical operations.