Case Study 1Cessnock Community Hospital is a not for profit general hospital with 100 beds. The community isabout 25,000 with a growth rate of 5 % per year. It attracts a lot of retirees and hence is planning toexpand by adding another 100 beds in the next 5 years. There is also a plan to for assisted livingfacilities. The hospital not only admits patients but also has an out-patient department (OPD). Laboratoryprocedures, deliveries and emergency services are also provided. Hospital employs full-time, part-time staff of nurses, physicians, specialists and super specialists. There are a lot of volunteers as wellwho help out at the hospital. Hospital provides general medical and surgical care, intensive care andmany other diagnostic services.Some of the entities identified are:Facility, Physician, Patient, Diagnostic Unit, Ward, Staff, Prescription, Service/Drug, Medical/Surgical Item, Supply Item and VendorBusiness rules governing relationships amongst these entities are:1.FACILITY maintains one or more DIAGNOSTIC UNITs (radiology, cardiac, clinical etc)2.FACILITY contains a number of WARDs (Gynaecology, Obstetrics, Oncology etc)3.Each WARD is assigned a number of STAFF members (nurses, secretaries etc); a STAFF member may be assigned to multiple WARDs4.FACILITY staffs its medical team with a number of PHYSICIANs. PHYSICIAN may be staff of more than one FACILITY.