Question Description1: Specialty Nursing versus Advanced NursingDifferentiate between specialty nursing practice and advanced practice nursing by comparing and contrasting these levels of practice in the following dimensions: knowledge base, scope of practice, credentialing, and regulation.2:PolyPharmacy and PolicyLook at case study number two, PolyPharmacy Problems, p. 166 of Health Policy and Politics, A Nurses Guide, by Milstead. Formulate a policy to reduce the practice of multiple drug prescriptions. What tools might be included in the design phase of the policy process to increase the probability of success? What research from other countries could be helpful in addressing this issue? Support your reasoning.Discussion Topic 3: VHA Innovative Model AnalysisAnalyze the Veteran’s Health Administration’s patient centered medical homes (PCMHs) and patient-aligned care teams (PACTs). See case study number two, p.184 of Health Policy and Politics, A Nurses Guide, by Milstead. What design, implementation, evaluation, and program techniques would you use to ensure the success of this model? What flaws do you see in the implementation of this program?For each Discussion Topic:Initial posts for each discussion topic must also include 2 peer-reviewed citation.Citations must include outside sources. Additionally, comments should also include a citation to support assertions. A minimum of 200 words. While the discussion board tool limits the ability to use APA formatting (e.g., hanging indents), posts must include the required elements of an APA in-text citation and list of references. Each post requires it’s Own answer. They do not require a front face sheet.