Certified Registered Nurse Anesthetists (CRNAs) provide anesthesia care in a small rural hospital setting, primarily handling routine surgical cases with occasional obstetric and pediatric procedures. They work independently with 24/7 supervision and support from anesthesiologists and perioperative staff. The role involves administering epidurals for OB cases and managing anesthesia for adult and pediatric ENT surgeries in a 99-bed hospital environment.