The principle objective of utilization management is the reduction of practice variations by establishing parameters for cost-effective use of health care resources. There are four main techniques or tools used in utilization management: demand management, utilization review, case management, and disease management. Utilization management helps MCOs control costs and improve quality.Refere to the readings of this week and the internet on the above information, answer the fiollowing questions:Now, access information on disease and case management by searching the internet by using the following kyewords:Based on your research, answer the following questions: