A$.$ List four electronic health record $($EHR$)$ functions needed by clinical end$-$users in the acute care setting. $1.$ Describe how each EHR function listed in part A could be used. $2.$ Discuss one technological strategy that could be used when introducing new technology to enable it to integrate with old technology in the acute care setting. B$.$ List three EHR functions needed by clinical end$-$users in the outpatient setting. $1.$ Explain how each EHR function listed in part B is used by clinical end users in the outpatient setting. C$.$ Compare two architectural models being used today in health information exchanges. $1.$ Describe the benefits of developing health information exchanges. $2.$ Describe current challenges preventing more widespread implementation of health information exchanges. D$.$ Discuss three features of a personal health record $($PHR$)$ that an organization should consider when planning to provide this service to patients.