How would access to care be influenced with the adoption of universal health care

Universal health care has been a topic of interest and debate in the United States.  Any health care system presents both positives and negatives. From your text readings and/or research from the web and/or the virtual library: How would access to care be influenced with the adoption of universal health care? How does access differ from other models of care like an IPA, PPO, or a POS model? What drawbacks exist with the adoption of universal health care?