Case Study #1 Dr. Roberts, an orthopedic surgeon, and Nurse Parrish head nurse on the orthopedic surgery unit, have had an acrimonious working relationship for years. While making rounds on the unit, Dr. Roberts discovered that the physical therapy evaluation he has ordered for one of his patients had not been performed and became outraged. Even though he did not have proof, Dr. Roberts placed the blame for missed evaluation with Nurse Parresh. Dr. Roberts wrote in the patient