Emergency Medical Services question, health and medicine homework help

Using one of the case law examples contained on page 42 of your textbook (also provided below), write a review of the case law and how it has changed or enforced the Scope of Practice for EMS professionals. Your review should be at least two pages in length (not to include the reference page) and be written utilizing APA guidelines. You are encouraged to use the internet to aid your research efforts.  

> Hospital Corporation of Northwest, Inc. v. Arizona Department of Health Services 

 > Mercy Tidewater Ambulance Service v. Carpenter  

> Schultz v. Rural/Metro Corp.